Description: - Double side color neoprene diving mask strap cover. - Soft and very comfortable on the back of your head. - Easy to adjust to the best fit. - Protect your hair from the tangling of mask straps while snorkeling or swimming. - To install, simply slide one end of your silicone mask strap out of its buckle, slip it through the strap wrapper, and re-thread the end of the silicone mask strap back through its buckle. Specification: - Material: Neoprene - Length: Approx. 8.3 inch/21 cm - Width: Approx. 3.6 inch/9.2 cm - Thickness:Approx.0.1inch / 2.5mm Package Includes: 1 Piece Scuba Diving Mask Strap Cover : Mask and silicone strap are not included in the package. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!