This Pocket For Every Purpose (PFEP) can be used for a variety needs. It’s great for being a tennis ball holder for up to two tennis balls or two pickleballs. You can carry your phone, iPod, or other personal belongings. This holder has a zipper front pocket for holding your credit cards, keys, or even jewelry that you forgot to take off before you sporting activity. This PFEP will accommodate waist sizes from 24-40″ inches The PFEP makes for a great tennis ball holder during matches It comes with 1 inch elastic webbing adjustable strap. The PFEP is made of waterproof nylon fabric and is machine washable Easy snap buckles with adjustable slide This tennis ball holder holds two tennis balls or two pickle balls. This is great if you love tennis or Pickleball. It has an additional zipper pocket will hold I-phone 4 and 5 There is an additional pocket will hold keys, credit cards, etc. The front elastic pocket will also hold I-phone 4,5,and This product measures 5 inches deep and 6 inches across not including the 1 inch strap.