Features: 5Pcs Thickened nonslip Glasses Straps securely hold eyewears during intense sports or daily activities, reinforced nylon construction to prevent slippage and protect frames from accidental drops. These practical sports eyewears holders combine soft cushioning for ear comfort with adjustable length design, ensuring comfortable use and scratch resistant protections for prescription/sunglasses. Ideal for athletes, outdoor enthusiasts, children, and active professional women and men who seeking portable eyewears retention during workouts, hiking, cycling, or extended screen time. Perfect for high motion scenarios like basketball games, trail running, or commutes, maintaining stability while absorbing sweat and vibrations. These unisex glasses accessories withstand repeated stretching while maintaining shape integrity across season. Specifications: Component: Nylon Color: Black Size:approx. As picture shown Quantity: 1set(5pcs) Package Includes: 1set(5pcs) Adjustable Glasses Holder Strap note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.