【Waterproof Polyester】The wet bag is made of enduring polyester with a waterproof lining , effectively locks in moisture and smell , ideal for storing wet swimwear , clothes , or used diapers without worrying about leaks or smell . Note : Always wring out any excessively wet items before placing indoors to avoid leaks at the seams 【Easy to Carry】The snap on wrist strap of travel wet dry pouch is ideal for hanging on a stroller or wrist . Machine washable , but hand washing and air drying are recommended to extend the life of the bags 【3 Versatile Size】This water resistant wet storage bag set includes 3 sizes : large (27×36 cm / 10.6×14.1 inch) , medium (19.6×25 cm / 7.7×9.8 inch) , small (17.6×14 cm / 6.9×5.5 inch) to meet different needs . The large and medium sizes are suitable for diapers , swimwear , clothing , sportswear , etc . , while the small size is ideal for storing essentials such as toiletries , underwear , cosmetics , and other items 【Ideal for Different Occasions】Our wet dry storage pouch is ideal for storing wet swimwear , wet workout clothes , diapers , and baby supplies . Ideal for travel or the beach , a must have for parents , travelers , and fitness enthusiasts 【Reusable and Compact】This washable waterproof bag is reusable , convenient and compact , folds easily into any bag , an essential for diaper bags , beach bags , gym backpacks , and suitcases