Compatible with F20 - Designed for or F20 full face masks, these headgear straps provide equal functionality at an affordable price. Easily put on or your mask with the two magnetic clips, and remember to replace the headgear every 6 months. Comfort and Stability - Crafted from cloth material, these replacement headgears offer a stable and comfortable wearing experience on the skin. Plush and Flexible Design - Experience extra comfort with soft and flexible headgear, ensuring an easy and comfortable sleep. Colour:Gray Material:+sponge+raised cloth The actual product may have slight color difference or difference, which not affect the use Package Contents: 3 x CPAP headgear strap 6 x 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.