LoviRa Adjustable length of non slip strap for adult and child elastic silicone glasses

"Non-slip glasses strapColor: blackMaterial: steel wire + siliconeSize: Adult model is about 35 cm long/Child model is about 25 cm longFeatures- Adjustable length, soft material, not easy to age, not easy to break.- The length can be adjusted freely.- The opening size of the elastic silicone sleeve is moderate.- The length can be adjusted at will, and it is comfortable to wear.- Soft, delicate, not prone to allergies, can be worn for a long time.- Suitable for wearing glasses when running, playing tennis, basketball, football and other sports.#Sports glasses strap #non-slip glasses rope #adjustable sunglasses strap #glasses rope"