Large Size Bottle Pouch: The gym water bottle pouch is 15*11CM, perfect for storing cards, keys, earphones, mobile phone, lipstick and other belongings that you take with you when you work out. Waterbottle Pouch with Pocket: Our cup pouch bag features a dual pocket design, with the non-zip pocket for small, grab-and-go or temporary storage, and the zip main pocket for more important, security-required items to prevent them from falling out, easing the burden on you while providing secure storage. Premium Quality Fabric: The pouch for stanley cup is made of high quality soft diving fabric, which feels delicate and elastic, and is not easy to deform for long term use, with shockproof and breathable features. Perfect Partner for Your Bottle: The water bottle pouch for stanley accessories designed with adjustable paste straps, which hold your water bottle perfectly in place and won't slip off. Suitable for 40oz gym water bottles. In addition, it can also be used as an armband key card holder, allowing you to store small items during your daily fitness activities, running, etc. without any hassle. Idea Gift for Gym Enthusiast: The water bottle pouch bag is perfect as a gift for co-workers, classmates, parents, friends who love to exercise or who are about to start their own fitness program.