Black 4mm Neoprene Lunch Bags for Men Large Insulated Tote Bag With Zipper for Adults Women - FUNLAVIENeoprene is a popular material in making protective clothing for aquatic activities. Foamed neoprene is commonly used to make fly fishing waders and wetsuits, as it provides excellent insulation against cold. Because of its chemical resistance and overall durability. Recently, neoprene has become a favorite material for lifestyle and other home accessories. In addition, mermaid sequin is also a fashion elements to play a important role in clothing, bags, shoes. Using our neoprene lunch bags right now, take this insulated lunch bag to your working lunch break, travel, road trip, plane rides or workout activity.Specification:-Material: Neoprene-Weight: 230g -Quantity: 1-Color: Black