【 PRACTICAL DESIGN 】The silicone interface at both ends has high elasticity and stretchability, which can fit most polarised sunglasses/presbyopes/safework goggles/anti-fog glasses/motorcycle riding glasses temples; with adjustable buckles to meet different wearing styles. Each sunglasses neck strap is 14.2inch long, fits most head circumference.
【 ANTI-FALLING DESIGN 】The eyeglasses strap have an upgraded anti-falling design, high elasticity silicone at both ends of the frame band firmly wraps around the temples, keeping glasses from sliding around and making it easy for you to complete any operation. When you need a break, you can hang the glasses strap at the back of your head around your neck without worrying about your glasses falling off or getting lost.
【 EASY TO USE 】Pull the adjustable buckle to the furthest place from the prescribed silicone on the temples, and then insert the temples into the silicone sleeve, after that, you can finish wearing the glasses and slide the silicone buckle to fit the desired position according to your head circumference or needs. The eyeglass chains is reusable and machine washable.
Friendly Tips: Please make sure your eyeglasses legs are in the applicable size before you choose, so as not to affect your using experience.