Lunch Bag | Grey SMARTCOOL TECHNOLOGY | Every Barebones Living cooler is built with our signature SmartCool System, combining 5 layers of durable protection that keep contents cool longer LIFETIME DURABILITY | Multi-layered reflection technology, which keeps cold in and heat out. The mesh liner is removable/replaceable and contains a rubber coating. Thick foam design to maximize ice preservation. Webbed fabric construction to prevent tears and deterioration CONSCIOUSLY CONSTRUCTED | Non-abrasive, poly-nylon blend that won't fray. EVA foam base to prevent morphing and caving. Reinforced body stitching for maximum durability. Cross-stitching at all stress points to prevent wear. Soft, flexible frame for comfortable carrying WEATHER AND WATER READY | TPE coating to block outside moisture and prevent mold. 100% water-sealed seams. Dual-layer moisture protection. Rust-resistant zinc and alloy zipper pulls. Water-resistant zipper to prevent leaking THE BAREBONES LIVING TOUCH | Anti-microbial lining. Anti-yellowing treatment. UV treatment. Prop 65 certified. FDA approved