100% cotton outer shell with insulated interior keeps items cold for 3 hours by itself or 20 hours with an icepack with lower outside temperatures. Use the black plastic zipper to ensure the longest cooling time. The flat bottom interior makes stacking storage containers and other snacks easy. The side mesh netted pocket is perfect for holding your drinkware water bottle. The front open pocket is excellent for storing lunch notes, keys, and more. The striped double straps make it easier to carry. “Ways To My Heart. Spot clean with a damp cloth, lay flat to dry. Packaged in a plastic polybag with a paper hang tag. . Featuring an array of humorous phrases which will make your friends, co-workers, wives, or even you laugh every day while enjoying a freshly prepared lunch, including fruits, vegetables, sandwiches, salads, cookies, leftovers, and more. .