20Pairs Glasses Anti-slip Silicone Ear Clip, Glasses Holder With Storage Box, Safety Eyewear Retainers, Eyeglass Ear Grips for for Sports Glass Sunglasses Reading (10 Black 10 white) Tea Ball -Color: Random

-Color: Random

no electricity

economical

specially equipped with 12mm screw holes designed for solid installation

and it has excellent ductility and elasticity

20Pairs Glasses Anti-slip Silicone Ear Clip, Glasses Holder With Storage Box, Safety Eyewear Retainers, Eyeglass Ear Grips for for Sports Glass Sunglasses Reading (10 Black 10 white) Tea Ball -Color: RandomSAFE SILICONE COMFORTABLE TO WEAR: Suitable for the widest temple sizes 0. 24IN 0. 47IN. Any size other than this cannot be used. eyeglass holder hooks are made of food grade silicone, extra soft silicone material ANTI SLIP EASY TO USE: You can use these ear hooks when you do the exercising, dancing, playing basketball, playing football. Also you can use it to anti eyeglass slip in your daily life, or used on your sunglasses, adjustable glasses