√Material: Stretchy string+Silicone

√Delicate, smooth, lightweight, transparent, wearing comfortable.

√Both sides of the high elastic silicone rubber tip firmly entangle the temples, not easy to fall off.

√Excellent for outdoor sports, such as bike, fishing, riding, climbing, etc.

√Can be a small gift for your colleagues or friends.

qingqingR Transparent Eyeglasses Anti Slip Strap Stretchy Neck Cord Outdoor Sports Eyewear String Sunglasses Rope Band Holder