Insulated Lunch Bag with 2 Mesh Side Pockets (Gray) Coowind insulated lunch bag cooler is made of the highest quality 600D polyester for extra durability and toughness; for school, work, or travel. Two side mesh pockets for added storage. Easy-to-clean permanent, flexible, soft PVC liner. Made from food-safe, nontoxic polyester; PVC, phthalate, lead free; Simple Care: interior wipes clean, spot clean exterior. Use ice or ice substitutes to keep treats cold. Perfect for healthy foods: dairy, fruits and veggies stay fresh all day, reducing waste and saving money.