Feature: High quality plastic material, easy to hold your key. Flexible coil wristband, fit perfectly and comfortably around your hand. Made of HDPE, non-toxic, waterproof, soft and comfortable Diameter:1.57in Coil Diameter: about 2.09in,2.36in; spring back, bright color and durable, sturdy Very good to hold your key,comfortably on your wrist. Great for work, security ID badge, gym, pool or beach High quality, soft, if you remove the steel ring, you can use it to tie your hair. Good gifts for mom, girl and friends, Material: Plastic, Colors:White,Black,Pink,and more than 15 Colors Size: Inner Diameter:4.3cm/1.7" Ouer Diameter:6.3cm/2.5" Thickness:1mm More detailed,please see photo Quantity: 5 Pcs. Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 5 Pcs Wrist Coil Keychains (Colors at random).