Mudder 30 pairs anti-slip holder silicone ear grip hook for eyeglasses, snowy and angry multipurpose glass ear grip : Anti-slip and shockproof design, can your eyeglasses off the hook, effectively prevent glasses from falling down even when you are doing energetic exercise. Wide : you can use it in galore various situations, when you are doing out-of-door activities, playing balls, doing sports, going hiking or reading books, wearing your glasses with the ear grip can bring you a lot of convenience. : Length : approx. 3.8 cm / 1.5 inches Hole size -LRB- LW -RRB- : 0.6 x 0.2 cm / 0.24 x 0.08 inch Material : silicone Color : angry and snowy Quantity : 30 pairs Package includes : 30 Pairs of glasses holder Note : relevant eyeglasses legs ' tail width is 0.6 to 1.2 cm, appropriate for most glasses legs. Please the glass leg size before purchasing.