Super comfortable headwear: Made of high-quality elastic fabric for comfort and softness. Comfortable against the skin, helping you have an uninterrupted night's sleep. Super elastic: Features super elastic fabric headgear designed to fit your head. The split straps can be separated for a looser fit or pulled tighter for a secure feel, with the gray side facing outwards and the blue side facing inward. Smooth finish with no rough edges for comfortable wear. Durable: Headband is soft and elastic with strong tensile strength, made of high-quality nylon for long-term use, with added materials for extra durability. Easy to care: Shoulder straps are easy to wash 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 differences may cause slight color variation from the actual item. Measurement allowance is +/- 1-3 cm.