4 Pack Adjustable Glasses Strap - No Tail Eyeglass Straps, Universal Fit Rope Eyewear Retainer, Sport Unisex Sunglass

• 【Tips 】There is a moveable cube toggle and a small ring on the cord, which allow the strap to be adjusted according to your head size and effectively prevents your glasses slipping down,can be easily adjusted according to your preference. • 【Built for Comfort】 This eyewear retainer will hold your head neither be too tight or too loose for its elasticity, as well as easy to take on and off quickly. • 【High applicability】 With environment friendly silicone material and elastic nylon material, it is odorless and non-toxic, soft and safe enough for your head wearing, it will never be drenched by sweat,which is safe and soft for daily use. • 【Soft and comfortable】Our eyeglass straps for men and women are made of highly elastic silicone + elastic nylon material , waterproof, fast-drying, lightweight, very soft on the ears, and can be worn well during sports or naughty boy playing.