Complete Set for Convenience: This package includes two medium-sized replacement headgear straps and easy-to-use clips for your CPAP mask. Note that no other parts of the mask are included, ensuring you receive exactly what you need for your F20 or F20. Designed for Masks: Specifically crafted as a replacement for the F20 or F20 full face CPAP masks, these headgear straps a and seamless functionality with your existing mask setup. Washable for Hygiene: Maintain cleanliness and durability with these washable headgear straps. They are designed to withstand multiple washes without fraying, curling, shedding, or degrading, ensuring a long service life and optimal hygiene. Medium Size for a : Tailored to fit most users, these medium-sized straps provide a snug, yet comfortable fit, ensuring your CPAP mask stays securely in place throughout the night without causing discomfort. (With buckle, there is slight color difference or difference in kind, which does not affect the use) Color: Grey Material: Nylon Package Contents: 2 x headgear straps with Clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.