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 straps, helps keep your CPAP mask securely in place. Enjoy a more comfortable sleep with this CPAP headgear replacement. The replacement CPAP headband is washable and designed to resist fraying, curling, shedding, delaminating, and other forms of wear. Simply unhook the nylon straps of your old headgear from the CPAP mask and attach the new one 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. Color: Gray Material: Lycra + sponge + raised cloth Package Contents: 3 x CPAP headgear straps 6 x Clips Note: The actual product may vary slightly in color, which does not affect functionality. Due to lighting and display differences, the item color may vary slightly from the image. Measurement error is +/- 1-3 cm.