Stay Fueled Anywhere with the CHANSUNRUN Insulated Bento Lunch Box Set Meet your new go-to mealtime companion! The CHANSUNRUN Portable Insulated Food Lunch Container Set combines three separate stackable stainless steel containers with a matching insulated carry bag — everything you need to enjoy fresh, flavorful meals at work, school, picnics, or on camping trips. Made in Mainland China. What's in the Box? 1 × Large Container – 21 oz (perfect for main dishes, pasta, or soup) 2 × Small Containers – 15 oz each (ideal for sides, salads, or snacks) 1 × Insulated Lunch Bag – keeps everything together and temperature stable Key Features Triple-Layer Insulation: Food-grade 304 stainless steel interior, PU insulation middle layer, and durable PP plastic exterior keep food warm or cold for up to 3 hours at room temperature. Leakproof Lids: Each container has its own individual lid with a built-in silicone sealing ring — no more spills or soggy lunches. An exhaust valve on top releases air pressure so the lid is always easy to open. Stackable & Organized: Three separate compartments let you pack hot food, soup, salads, and pasta all in one trip without flavors mixing together. Eco-Friendly & Safe: FCM-certified, food-grade materials with no high-concern chemicals. Microwavable and designed for everyday, sustainable use. Lightweight & Portable: Round, compact design fits neatly into the included insulated bag — great for adults and kids alike. Perfect For Office & work lunches School lunchboxes for kids Outdoor picnics & camping Meal prep & portion control Specifications Brand CHANSUNRUN Material 304 Stainless Steel (interior), PU Insulation, PP Plastic (exterior) Capacity 1 × 21 oz, 2 × 15 oz Shape Round Certification FCM Features Leakproof, Thermal Insulation, Microwavable, Eco-Friendly Origin Mainland China You May Also Like AHA Exfoliating Foot Mask – Dead Skin Remover & Moisturizer Balincer Systemic Digestive Enzymes – Gut Health Support For more guidance on safe food storage and healthy meal prep habits, visit the FDA's Safe Food Handling resource. Frequently Asked Questions Q: How long does the insulated lunch box keep food warm or cold? A: At room temperature, the triple-layer insulated lunch box is designed to keep food warm or cold for up to 3 hours. For best results, pre-warm the containers with hot water (or pre-chill with cold water) before adding your food. Q: Are the stainless steel containers safe for microwaving? A: The containers are made from food-grade 304 stainless steel on the inside. Please remove the stainless steel container from the outer PP casing and lid before microwaving. Always refer to individual component guidelines for microwave use. Q: Are the lids truly leakproof for soups and sauces? A: Yes! Each lid features a built-in silicone sealing ring that creates an airtight, leakproof seal, preventing sauces and soups from leaking. The exhaust valve on top also releases air pressure so the lid opens easily after sealing. Q: Is this lunch box set suitable for kids? A: Absolutely. The set is designed for both adults and kids. The containers are made with FCM-certified, food-safe materials with no high-concern chemicals, making them a safe and eco-friendly choice for the whole family. Q: Can I use this set for meal prep? A: Yes! The three separate stackable containers are perfect for portion control and meal prep. Pack different foods — like a main dish, side salad, and snack — without worrying about flavors mixing, thanks to individual lids and sealing rings. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "How long does the insulated lunch box keep food warm or cold?", "acceptedAnswer": {"@type": "Answer", "text": "At room temperature, the triple-layer insulated lunch box is designed to keep food warm or cold for up to 3 hours. For best results, pre-warm the containers with hot water (or pre-chill with cold water) before adding your food."}}, {"@type": "Question", "name": "Are the stainless steel containers safe for microwaving?", "acceptedAnswer": {"@type": "Answer", "text": "The containers are made from food-grade 304 stainless steel on the inside. Please remove the stainless steel container from the outer PP casing and lid before microwaving. 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