General description NO MORE EMBARRASSING RED LINES: Simple and effective fleece protection against the rough sections of your mask straps that cause red lines and marks on your skin. GREAT FIT & REUSABLE: Fits most CPAP and BiPAP straps. Technical specifications Size: 55 cm Material: Soft fleece Color: Blue Package Contents: 4 x CPAP Neck Pad Measurement allowed error: +/- 1-3 cm Installation Simply wrap the blue fabric around the CPAP headgear straps. Secure it in place with the hook-and-loop material. Usage Adjustable: Create a custom fit with neck pad straps. Cut an equal length from each end to adjust the length. Ensure a properly fitted mask or nasal pillow to prevent air leaks.