Brotdach Foldable Insulated Lunch Bag Key benefits — why you need it - Saves space: Foldable design collapses flat for easy storage at home, in a suitcase, or under your desk. - Keeps food fresh: Four-layer insulation plus an aluminum-foil inner lining extend temperature control so meals stay cold or warm longer. - Easy to maintain: Stain‑resistant Oxford fabric wipes clean quickly and the inner lining is leak-resistant for everyday use. - Practical capacity: Designed to hold complete meals, drinks, and snacks in a compact, lightweight package. Main features - Intelligent foldable function: Collapses flat for travel, commuting, or office storage while remaining lightweight and durable for daily use. - Leak-resistant aluminum-foil lining: Protects the bag interior from spills and makes cleanup simple. - Stain-resistant Oxford outer fabric: Wipes clean with a damp cloth and resists everyday wear. - Optimized storage space: roomy enough to carry meals, drinks, and snacks securely without being bulky. - Four-layer insulation system: Provides extended temperature control — with cooling packs, maintains cold for up to 6 hours and warmth for up to 4 hours. Compatibility and performance - Designed for use with standard cooling packs to achieve the specified cold and warm retention times. - Lightweight construction makes it suitable for carrying by hand, in a backpack, or inside luggage. Practical use scenarios - Office lunch: Folds flat to slide into your drawer at work, then unfolds to hold a full meal and a drink with reliable temperature control. - Commuting and travel: Collapses for packing, expands to store breakfast, snacks, or beverages during long trips. - School or picnics: Durable, easy-to-clean surfaces and leak-resistant lining keep food fresh and containers contained. Materials and care - Outer material: Stain-resistant Oxford fabric. - Inner material: Aluminum-foil lined for leak resistance and easy cleaning. - Care: Wipe the exterior and interior with a damp cloth; remove solid debris and dry thoroughly before folding for storage. What it delivers - A practical, space-saving lunch solution that protects food, simplifies cleaning, and adapts to everyday routines without added bulk.