What will you get :it comes with 12-piece eyeglass chains ,the length approx.70 cm / 28 inches, safe and non-slip, easy to carry and easy to use,suitable for outdoor activities,non-slip rubber can prevent the glasses from falling, making it difficult for you to drop the glasses

Nice material: these eyeglass strap holder made of quality nylon, strong and durable, nice toughness, tensile strength, resistance, compressive strength, smooth surface, c, safe and wear-resistant,easy to match and sufficient quantity can meet your using and replacement needs in daily life

Polyamide

Wide practicability: nylon sunglasses straps are black, suitable for men and women and can be matched with different clothes. there is a rubber clip on both sides of the glasses chain, they are adjustable in size, suitable for most adults or teenagers, and you can adjust the size as needed to make them more comfortable to wear

Not easy to slip off: these glasses retainer straps are equipped with non-slip straps, even if the glasses are tilted, they can prevent the glasses from falling off the neck, so you can firmly fix the glasses anytime and anywhere, suitable for outdoor activities and sports

Wide range of applications: suitable for most eyeglass frames, such as sunglasses frames, reading glasses frames, safety glasses frames,convenient to carry, not easy to slip off, suitable for running and outdoor sports etc

12 Pieces Eyeglass Chains Nylon Sunglasses Strap Eyeglass Strap Holder Adjustable Neck Cord Retainer Lanyard Glasses Retainer Strap Eyewear Holder for Women Men