They wrap around the strap and secure with Velcro. They wrap around the strap and secure with Velcro, very easy to use. Important Tip The Strap covers can be machine washed and dryer safe at low temperature.
CPAP Mask Headgear Strap for AirFit P10 Upgraded Soft Ajustable Head Strap Compatible with ResMed AirFit P10 N30 Mask Nasal Pillow
AirFit P10 Side Strap Cover by PAD A CHEEK
3 PCS Latest Version CPAP Headgear Compatible with Resmed Airfit P10 and Airfit N30- Upgraded P10 N30 Strap, Highly Elastic CPAP Straps, High-Value CPAP Accessories Supplies by BlessEase.
Airfit P10 / N30 Headgear Strap Upgraded Replacement Straps Fully Adjustable Design Quickfit Elastic - Fit for Resmed P10 / N30 Nasal Pillow System - Blue//Grey (2-Pack)
AirFit P10 Barrel Cozy by Pad A Cheek
Replacement Headgear for Resmed AirFit P10 & AirFit P10 for Her