10pcs Long Style Glasses Non-Slip Rope Adjustable Elastic Sports Legs Anti-Drop Fixed Strap(Deep Purple)

10pcs Long Style Glasses Non-Slip Rope Adjustable Elastic Sports Legs Anti-Drop Fixed Strap(Deep Purple)1. The diameter of the silicone sleeve hole is 4mm: it is suitable for glasses legs with a width of 5-10mm at the largest part of the tail and a circumference of 15-25mm2. Polyester spandex fabric, delicate touch3. Moderate elasticity, lock the glasses tightly without slipping4. Wear-resistant and non-slip, good comfort5. Material: nylon, silicone6. Adjustable range: 19.5-30cm7. Single weight:...