1. Made from soft stretchable water-resistant neoprene, lightweight, portable and durable. 2. Smooth zipper closure, feel easy to open and close. 3. Built-in high quality flexible slims, prevent damage and reduce pay for some outdoor sports;Large capacity, can hold skin lotion, make-up pen brush Cosmetic emulsion, eye shadow, lipstick, liquid foundation. 4. Double Knot Design,fully adjustable,fit up to 18-in and adjust tightness; 5. Waterproof and washable