Philippines

Function of the sleeve retainer: to play the role of anti-skid, make you wear eyeglasses without slip hassle, soft and lightweight make your ear more comfortable with the eyeglasses

Suitable size: the sleeve can be stretched to 16 cm in length, suit for most glasses legs from 2.8 mm to 13 mm in width

Material and feature: made of quality silicone, soft and lightweight, flexible silicone with elasticity, can apply to most kinds of glasses legs

Color and size: in black, the size is about 2.2 x 0.28 x 0.28 inches in nature state