Twohole design: The bicycle silicone strap is designed with two holes, which makes it fit tightly on many sizes of seatposts and handlebars to hold them firmly and securely. Easy to use: You only need to use our bicycle silicone strap to easily loosen and fasten bicycle accessories without using other tools. Very convenient. Good stretchability: The bicycle silicone mounting strap is made of highquality silicone, durable, safe to use, not easy to deform and has good stretchability. Lightweight and compact size: The bicycle light silicone strap comes in 4 compact sizes, so it can be used in many occasions, such as bicycle handlebars, seatposts, valve stems and hat holders. Multifunctional tool: The bicycle strap can be used as a stretchy band to attach the light mount to the handlebar or seatpost. It is easy to secure DRVs, mirrors or other suitable objects.