2-Pack Headgear for Nuance Pro: The headgear is a replacement strap compatible with Respironics for Nuance Pro CPAP Mask. Comfortable: Made of sturdy, lightweight, breathable soft fiber fabrics, the for Nuance pro 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 headband Durable: Our replacement headband can be washed repeatedly. Don't need to worry about nuance supplies' fraying, curling, shedding, delaminating, or other forms of degradation Convenient: Unhook the Nylon Sticker straps of your old worn headgear from the for Nuance pro Mask, put the one on in the same way, position the hole in the back of your head and tighten to keep the mask in place Colour:Gray Material:nylon The actual product may have slight color difference or difference, which will not affect the use Package Contents: 2 x Headgear Straps