Check the listing for details. 6 Pair Anti Slip Glasses Ear Hooks Tip Eyeglasses Grip Temple Holder Silicone US. Condition: New with tags. Listed at 6.99 USD. Eyeglass anti-slip holder measurement: the anti-slip holder is approx. 3.8 cm/ 1.5 inches in total length, and the hole size is 0.6 x 0.2 cm/ 0.24 x 0.08 inchQuality material: this set of eyeglass ear hooks is made of silicone of good quality, elastic, soft and light weight, make your ears very comfortableUseful glass ear grip: anti-slip and shockproof design, can keep your eyeglasses safe, effectively prevent glasses from falling down even when you are doing strenuous exerciseWide applications: you can use it in many different situations, when you are doing outdoor activities, playing balls, doing sports, going hiking or reading booksQuantity: 6 pairs of silicone anti-slip holders, 6 pairs in each color; Note: applicable eyeglasses legs' tail width is 0.6 to 1.2 cm, suitable for most glasses legs