Strap for Nasal Mask: for wisp headgear is a replacement strap compatible for Wisp Nasal CPAP Mask. Size: Standard (MEDIUM)Comfortable: Made of sturdy, lightweight, breathable soft fiber fabrics, for wisp headgear boasts extra softness. Its stretchy and smooth interior surface, along with stronger Nylon Sticker straps will hold your mask in place. Enjoy better sleep with our headgear.Durable: Our replacement CPAP ventilator headband can be washed repeatedly. Don't need to worry about for wisp supplies' fraying, curling, shedding, delaminating, or other forms of degradation.Convenient: Unhook the Nylon Sticker straps of your old worn for wisp headgear from for wisp mask, put the new one on in the same way, position the hole in the back of your head and tighten to keep the mask in place.Please Note: The straps for nasal mask include replacement cpap headgear ONLY. Mask and other accessories are not included.Colour:GreyMaterial:PolyesterPackage Contents:1 * CPAP Headgear StrapOnly 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!