Features: High Elasticity Long Term Use: These 10pcs stretch and tighten straps with hooks feature high elasticity for long-term use providing a secure and reliable tightening solution for bicycles roof racks or other vehicles during outdoor travel adventures. Durable Rubber-Polyester Material: Made from a durable rubber-polyester material these 10pcs tensioning rubbers with hooks offer exceptional strength and resilience ensuring they withstand high temperatures and rough outdoor conditions ideal for camping and tent attachments. Secure and Tight Fit: The straps and tensioning rubbers ensure a secure and tight fit preventing slippage or movement during transportation giving you peace of mind while traveling with your gear. Versatile Usage: Suitable for a variety of applications these expanders can be used for securing tarpaulins during outdoor travel or camping providing a versatile and practical solution for your outdoor needs. Easy to Install and Use: With a user-friendly design these expanders are easy to install and use saving you time and effort when setting up your equipment making them a convenient and reliable accessory for your outdoor adventures. Specification: Material:Rubber Length: 100cm/60cm/30cm Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 4PCS * 30cm Tensioning Strap 4PCS * 60cm Tensioning Strap 2PCS * 100cm Tensioning Strap 20PCS * Hook "