1pc Unisex Multi-Function Glasses Anti-Loss Silicone Strap With Earphone Anti-Loss Rope, Designed For Outdoor Sports, Adjustable Buckle Design Glasses Holder (Eyeglasses Not Included). Lightweight Material, Weighing 6g, Suitable For Activities Such As Horseback Riding, Surfing, Hiking, Driving, Touring, Camping, Etc. Adjustable Elasticity Of The Silicone Friction Button, Multi-Function Rope For Various Scenarios - Anti-Loss Strap For Glasses, Earphones, Or Outdoor Activities Such As Cycling. Adjustable Length And Elasticity. Glasses Accessories