HIGH QUALITY WRISTBAND - 1.6 inches inside diameter spiral wristband fits most adults wrist with a 0.98 inch metal key ring to hold keys,number bands. STRONG FLEXIBLE WRIST - no smell;soft and good elasticity with plastic,easy to return after stretching;easy to use and carrywaterproof wrist;not easy to fall off or demaged during wearing;soft and comfortable to wear;suitable for kids and adults. FOR MANY USES - Wrist coil can be used in outside and inside,to work with security ID badge and key in gym,pool,sauna, beach. This wrist keychain bracelests are widely used to holde key of home,office,workshop,mall,ect,to wear during shopping,swimming,walking,sports,driving,cycling,traveling and so on, easy to carry and security. WIDELY USAGE - Remove the metal key rang to be good work as hair ties, and not hurt your hair;as coil wristband is comfortable and secure,and also is a beautiful fashion bracelet;good gifts for mom,girl and friends.Also Leaving key ring of wrist Key coil, it will be good for holding key,whistle,number band when wear or hood.