[Large Capacity] This ball waist bag can easily hold 68 tennis balls or 3040 ping pong balls or 1020 golf balls. It also comes with a large capacity zippered pocket for storing smartphones or other accessories. [Goodquality Material] This ball waist bag is made of silk, dense weave, and stretch (mesh pocket) fabric, which is lightweight and durable. The fabric is sweatresistant fabric, so you don't have to worry about sweating your bag and belongings. [Adjustable Belt] The adjustable length of the belt ranges from 21" to 51" to fit most men, women, or teens and you can adjust it in seconds. The belt is made of soft nylon fabric, and the textured surface of the strap helps prevent slipping from the waist. [Multifunction] This tennis ball holder bag can hold tennis, golf, pickleball, baseball, etc., and the zipper pocket can hold cell phones, keys, IDs, passports, or cash. It is also designed with extra waistband elastic tabs for hanging extra supplies. [Widely Used] This tennis ball holder bag is suitable for camping, excursions, parties, training, tennis training, running, traveling, outdoor activities, etc. It also can be as an everyday sports accessory, or as a great gift for your family or friends.