24PCS 6 COLORS: Set includes 24 Lostproof rubber ring covers, 6 colours, 4 of each colour, each approximately 0.3" (8mm), sufficient quantity for use, 6 neck lanyard, 30.24" (768mm) long. HIGH QUALITY: Replacement rubber o ring made of eco-friendly rubber material that soft and elastic, it will not fall off after use, neck lanyard made from high quality polyester material. FIXED COLOR: Each of multipurpose adjustable ring holders colors and quantity are fixed and contains 6 different colors. In daily use, you can change the required colors according to the collocation at will. Its a great idea to share with your friends. PRACTICAL: The rubber Adjustable Ring Holder can be carried anywhere, lanyard by hand or on a key ring, suitable for any occasion and protect your device in different ways. WIDE APPLICATION: Smart rubber s can use for pendant on handset , keyring, pens, lanyards, USB flash disk and some similar devices.