The cpap mask strap is made of sturdy, lightweight, breathable soft fiber fabrics for extra softness. Its stretchy & smooth interior surface and stronger Nylon Sticker straps will hold your cpap in place. Sleep more comfortably with our cpap supplies headgear. replacement CPAP ventilator headband can be washed repeatedly. And you don't need to worry about its fraying, curling, shedding, delaminating, or other forms of degradation. Unhook the Nylon Sticker straps of your old worn headgear from the cpap mask, put the new one on in the same way, position the hole in the back of your head and tighten to keep the f30 full face cpap mask with headgear in place. The actual product may have slight color difference or difference, which will not affect the use Colour:Gray Material:Lycra+sponge+raised cloth 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!