Features: 100% brand new and high quality 2.17 inches inside diameter spiral wristband fits most adults wrist with a 0.98 inch metal key ring to hold keys,number bands. Application: wrist coil can be used in outside and inside,to work with security ID badge and key of home, office, workshop, mall, gym, pool, sauna, beach, ect, to wear during shopping, swimming, walking, sports, driving, cycling, traveling and so on. Strong Flexible Wrist: no smell; soft and good elasticity with plastic, easy to return after stretching; easy to use and carry; waterproof wrist; not easy to fall off or demaged during wearing; soft and comfortable to wear; suitable for kids and adults. Widely Usage: remove the metal key rang to be good work as hair ties,will 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. You can send them as holiday or birthday gifts for your friends and family to give them a surprise. Package Includes: 50pcs/set Wristlet Keychains(Random Color Delivery) Specifications: Material: Plastic Plastic Size: Approx 5.5cm/ 2.17inch(Diameter) Metal Ring Size: Approx 2.5cm/0.98inch(Diameter) note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.