Convenient and reusable pouches, with a closable zipper. Our pouches are screen printed, so that means your design isn't going ANYWHERE. To re-use just hand wash with mild dish soap and water, then air dry. I mean, EASY. Two holes to easily carry with your fingertips. Each pouch comes with a colorful straw. CHYEAH. Pouches are food-grade and made of non-toxic, BPA free materials. The closable zip top ensures easy opening and that no sand or salt/lake/pool water gets into your drink. Capacity for each Pouch: 450-500 ml (around 16 OZ) Size: 9.5 inch/23.13 cm Hand wash and air dry for best results.