These raw linen bags from So Young Inc. are machine washable. Use the Small Cooler Bag as a bottle bag for baby, a snack bag for your toddler, or leave the kids at home and take your lunch with you wherever you go (also perfect for a couple cold beers in the park). They can be worn in either messenger or backpack style. Comes with a leak proof insulated insert for easy cleaning. This size of cooler is being discontinued, so get one while you can!