Made of High-quality Silicon with High Elasticity, It is Very Sturdy & Recoverable, has Good Resilience, is Rust-proof, & is Not Easy to Break. It Can be Used for a Long Time. Our Bands Can Secure the Items Easily & Wont be Blown Away or Messed Up. Beach Towel Bands Fit the Sizes of Most Beach Chairs. They Are Mainly Used for Securing Towels on Chairs at the Beach, Cruise Ships, & Pools. They Can Also be Used to Fix Books, Boxes, Containers, & Various Outdoor Gear for Neat Storage. 9.85 Inch Diameter x 0.98 Inch W x 0.051 Inch H