30PCS 10 Colors: Includes 30pcs anti-lost silicone rubber ring holder, 10 colors, each color 3pcs. Each about 1.57 inch (40mm), sufficient quantity to use. Quality Material: Replacement silicone ring made of eco-friendly silicone material that soft and elastic, it will not fall off after use. Lanyard straps made of rubber are reliable, lightweight and soft. Multi-Color: Each of multipurpose adjustable ring holders colors and quantity are fixed and contains 10 different colors. In daily use, you can change the required colors according to the collocation at will. It's a great idea to share with your friends. Practical: The silicone adjustable ring holder can be carried anywhere, lanyard by hand or on a key ring, suitable for any occasion and protect your thing in different ways. Wide Applications: Silicone lanyard holder can use for to hold some small stuff, such as key, pens, preventing them from getting lost and grime.