COMPATIBILITY AND VALUE: Specifically designed for N30i and P30i models, this 4-pack offers a cost-effective solution to replace your old or worn-out straps, ensuring your equipment functions optimally without the need for frequent replacements. ULTRA-COMFORT DESIGN: Crafted with soft, adjustable materials, these replacement straps prioritize your comfort, allowing for a fit that adapts to your head shape and size, ensuring a snug, yet comfortable grip throughout the night. ENHANCED STABILITY: Featuring a soft fabric on the side that contacts your head, these straps are engineered to minimize slipping. This design helps maintain the position of your headgear, enhancing your sleep quality by keeping everything securely in place. DURABILITY AND FLEXIBILITY: Made from high-quality, durable materials, these straps are built to last. They offer the flexibility needed to accommodate various head sizes and shapes, making them a versatile choice for all users. Colour:Gray Material:nylon The actual product may have slight color difference or difference, which will not affect the use Package Contents: 4 x CPAP Headgear Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.