Happyi 8pcs Soft Coil Stretch Wristband Keychain for Gym, Pool, Id Badege (Green) 1.Made from high quality spring plastic. soft and comfortable. 2.Fun & handy way to hold key, ID-swipe card, locker token comfortably on your wrist 3.Coils back to original size time after time,2-1/2 inches. diameter band stretches to 12 inches. 4.Strong 1.5mm PVC cord with non-rusting nickel-plated steel split ring to securely hold item 5.Great for work, security ID badge, gym, pool or beach. Excellent quality