Description: 100% new and high quality Lightweight and small size Portable to carry Easy to install Perfect for cycling Made of silicone material Durable and compact Suitable for LED flashlight to install on bicycles Two Sizes rubber ring to hold light into bicycle Material:silicone rubber Color:black Small ring Length: 6-10cm Large ring length:7.8-14cm Gross weight:10g Specifications: Lightweight and small size Portable to carry Easy to install Perfect for cycling Made of silicone material Durable and compact Package Included: 1 x Large Fastening Bike Light Ring 1 x Small Fastening Bike Light Ring Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.