Features. Premium quality. The neck pad is made of high-quality polyester material, which is light and comfortable to wear, strong, sterile, waterproof, elastic, sweat-absorbent, breathable, odorless, and durable. Perfect fitting. The ventilator neck cushion fits perfectly with your neck, greatly improving the stability of the nasal mask, and it is not easy to fall off when turning over when sleeping. Washable. It can be washed repeatedly without abrasion, curling or shedding. It is recommended to wipe gently with soap and warm water to ensure its longevity. Adjustable. Easy to install and use , you can freely adjust the tightness when wearing. Application. This is a ventilator mask headband neck pad, suitable for most CPAP, BiPAP headbands. Specifications. Material: Polyester. Color: blue. Item size:68*12.7*1 cm/26.72*4.99*0.39inch(L*W*H). Weight: 90g/3.17oz.