Protect Your Hair: Snorkel mask cover can avoid the tension and discomfort of elastic band, effectively avoid your hair from being pulled, especially for long hair, good helper for you when diving, snorkeling or swimmingUniversal Fit Size: Diving mask slap straps cover about 20cmx9cm/7.87inchx3.54inch, thickness 3mmEasy Installation: For swimming mask strap cover, only need to pass the diving mask strap through a part of the strap cover, and then pull it out from the other endNeoprene Rubber Material: Dive mask strap cover is made of neoprene rubber with sewn edges, light and reusable, durable and can be washed in the washing machine after useComfortable to Wear: Soft mask strap cover, foldable, convenient to store and take, reliable to serve you for a long timeSize Chart:about 20cmx9cm/7.87inchx3.54inchPackage Includes:1 Dive Mask Strap CoverNote:Please allow slightly errors due to manual measurement and different monitors.