Super comfortable headwear: Made of high-quality elastic fabric for comfort and softness. Comfortable against the body, helping to provide an uninterrupted experience throughout the night. Super elastic: Features super elastic fabric headgear designed to fit securely. Split straps can be adjusted for a looser or tighter fit, with the gray side facing outwards and the blue side facing inward. Smooth texture for comfortable wear. Durable: Soft and elastic headband with strong tensile strength, made of high-quality nylon for long-term use and enhanced durability. Easy to care: Shoulder straps are easy to clean with mild soap, rinse thoroughly, and air dry weekly. Do not machine wash or use a dishwasher. Replace the headgear every 3-6 months to maintain proper fit and seal. Material: Nylon Color: Blue Package Contents: 3 x Headbands 6 x Buckles Note: Light and display settings may cause slight color variations compared to the actual product. Measurement allowance is +/- 1-3 cm.