{"product_id":"the-thermal-vault-stainless-bento-lunch-set","title":"The Thermal Vault | 3-Piece Stainless Steel Insulated Bento Lunch Set with Hot Food Bag (1390ml)","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003e\u003cstrong\u003eLunch is not a break from the day. It is the hour the day is built around.\u003c\/strong\u003e Yet most meals carried to work arrive cold, dented, or defeated. The Thermal Vault was engineered to change the ending of your afternoon — a three-piece insulated bento system that holds soup hot, salad crisp, and fruit cold in the same bag, without a microwave within reach.\u003c\/p\u003e\n\u003cp\u003eEach container is built with a double-layer, food-grade 304 stainless steel core and an electrolytically polished inner tank that resists rust, odor, and staining through hundreds of cycles. The vacuum insulation retains heat for 2-3 hours and cold for even longer, while the reinforced rotary lid and double silicone seals create three independent, leak-proof chambers. Stack the layers, clip the handle, and walk out the door — the kitchen stays behind you, the meal comes with you.\u003c\/p\u003e\n\u003cp\u003eThis is not a lunch box. It is a thermal architecture for people who refuse to eat mediocre food just because they left the house. Office desks, school cafeterias, roadside picnics, long drives, night shifts — wherever the day takes you, the Vault takes your meal with the same temperature it left the stove.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe meal you carry should arrive the way you made it. The Thermal Vault makes sure it does.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eTriple-Stack Insulated Design\u003c\/strong\u003e — three independent 304 stainless steel chambers in one portable tower, 1390ml total capacity\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003e2-3 Hours Heat Retention\u003c\/strong\u003e — vacuum insulation keeps soup and fried rice hot from morning prep to lunch hour\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eTruly Leak-Proof\u003c\/strong\u003e — double-layer silicone seals and reinforced rotary lids lock in freshness, keep bags and backpacks dry\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eFood-Grade 304 Stainless Core\u003c\/strong\u003e — rust-proof, odor-free, electrolytically polished inner surface that wipes clean\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eCool-Proof Outer Shell\u003c\/strong\u003e — PP exterior stays comfortable to touch even with boiling-hot contents inside\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eCarry-Ready\u003c\/strong\u003e — waterproof body, carrying strap, and stackable layers for commute, school, and outdoor adventures\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e✦ \u003cstrong\u003eEco-Friendly Ritual\u003c\/strong\u003e — reusable by design; one set replaces hundreds of single-use containers and plastic bags a year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-grade double-layer 304 stainless steel inner core with PP outer shell\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eSet Contents:\u003c\/strong\u003e 3 stackable containers + insulated hot food carrying bag\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eTotal Capacity:\u003c\/strong\u003e 1390ml (3-layer system)\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eHeat Retention:\u003c\/strong\u003e 2-3 hours for hot food\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eSealing:\u003c\/strong\u003e Double-layer silicone seals per layer; reinforced rotary lids\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e Light Coffee, Khaki, Royal Blue\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round, stackable tower design\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eSafety Certification:\u003c\/strong\u003e FCM food contact material compliance\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e Hand wash recommended; wipes clean with minimal effort\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003ePortability:\u003c\/strong\u003e Waterproof body with carrying strap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eDesigned for anyone whose meal travels further than their desk: office workers who want homemade soup at lunch instead of takeout, students carrying hot fried rice between classes, parents packing warm meals for kids, outdoor enthusiasts on picnics and camping trips, and night-shift professionals who need a hot meal at 2 AM. The stackable three-layer system lets you carry a soup, a main, and a side in a single hand — hot food stays hot, cold food stays cold, and everything stays where it belongs.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I put the inner containers in the microwave?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The inner 304 stainless steel core is designed for vacuum insulation — for reheating, transfer food to a microwave-safe dish. The set is built to keep food hot for 2-3 hours so most meals never need reheating at all.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it leak in my backpack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. Each layer has a double-layer silicone seal plus a reinforced rotary lid, creating three independently sealed chambers. The set is leak-proof for soups, stews, and liquids when the lids are properly locked.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does heat actually last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: With preheated food, expect 2-3 hours of effective heat retention — enough for a full morning commute or a school day. For best results, fill the container with hot food immediately and close the lid tightly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the stainless steel food safe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The interior is double-layer, food-grade 304 stainless steel — rust-resistant, odor-free, and FCM-certified. The electrolytically polished inner tank forms a bright protective surface that will not react with food.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I carry different foods in the three layers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Absolutely. That is the point of the stackable design — hot soup in one layer, fried rice or pasta in the second, salad or fruit in the third. The independent seals prevent flavors and odors from mixing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Hand wash with warm soapy water and dry thoroughly. The polished stainless surface resists staining and odors, so cleaning takes under a minute per layer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S11a4ff26c022497b9fa5f264f7ef6781M_295dbc92-375d-4393-8e79-fe30070125c3.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf689bda378c944b9a356c1a3d0610877T_2e678f1d-8059-441b-b15c-58b6485a2307.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S571d92066c8644a49aeadaa0170e4b3aG_4e82908b-ec18-4750-9e84-8c293c736e40.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S6ddfe7ad6d3743efa80244751cf4141aE_226f84f7-dd82-4aaf-97d8-7c98dcca6655.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S165c9c018e88416081b93434fa7e5522o_c05f5c26-a8e0-465d-845b-bc45fba589fe.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Saf59c7225d464dfda25d5426a287dd0bG_78be36d4-f140-44bb-9eee-4f0a11391e45.webp?v=1787703629\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S2e72348be11f48f9883bcf41e10ffe78r_15a0b1fc-935f-49cb-8711-b4b8fc6af700.webp?v=1787703629\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S21770c81cfd14f22ab6f2c051166a7a1i_e0ae495b-d7c6-454d-86d4-e0baf7a50593.webp?v=1787703629\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S4b4bac49ef544524898affa97c7be815x_c534ef81-8d06-482c-8d2b-b09a5e87ae6e.webp?v=1787703630\" alt=\"The Thermal Vault insulated stainless steel bento lunch box set\" style=\"width:100%;max-width:800px;margin:10px auto;display:block;border-radius:8px;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"The Thermal Vault | 3-Piece Stainless Steel Insulated Bento Lunch Set with Hot Food Bag (1390ml)\",\n  \"image\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S11a4ff26c022497b9fa5f264f7ef6781M_295dbc92-375d-4393-8e79-fe30070125c3.webp?v=1787703630\",\n  \"description\": \"Three-piece insulated bento lunch box set with food-grade 304 stainless steel cores, vacuum heat retention of 2-3 hours, leak-proof double silicone seals, and a hot food carrying bag. 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