1 x Head Strap/Shoulder Strap. Color: gray (or a little color difference, does not affect the use). Material: polyester nylon.
2PCS Universal for CPAP Mask Headgear Strap for ResMed Mirage Philips Respironic
2 Pack Universal CPAP Mask Headgear Strap for ResMed, Philips Respironics UK
