The CPAP mask strap is made of sturdy, lightweight, breathable soft fiber fabrics for added comfort. Its stretchy and smooth interior surface, along with durable nylon hook-and-loop straps, helps keep your CPAP mask securely in place. Enjoy more comfortable sleep with this replacement CPAP headgear. The headband is washable and designed to resist fraying, curling, shedding, delaminating, and other forms of wear. To replace, simply unhook the nylon straps from your old headgear, attach the new headgear in the same manner, position the back strap over your head, and adjust for a secure fit to hold the full face CPAP mask in place. Slight color variations may occur due to lighting and display differences, but this does not affect functionality. Color: Gray. Material: Lycra, sponge, and raised fabric. Package includes: 3 x CPAP headgear straps, 6 x clips. Only the items listed are included; other products are not part of this package. Note: Lighting and screen settings may cause slight color differences between the image and the actual item. Measurement tolerances may vary by +/- 1-3 cm.