Description These are anti-lost chain end buckle for glasses, made of silicone and stainless steel material, flexible and durable, which can help you to fix the glasses and the anti-lost rope well. It is made of exquisite craftsmanship, professional and durable, and can effectively prevent slippage. Features -Color:Black-Material:Silicone, stainless steel-Size:2.00X0.30X0.30cm/0.79X0.12X0.12in-You can use these eyeglass chain holders together with eyeglass chains to help adjust the holding power of the glasses.-These practical eyeglasses chain ends can effectively prevent the loss of glasses.-They can also be used as accessories for sunglasses to make you more sophisticated and fashionable.-The design is reasonable, this product is very suitable for lots of eyeglass chains.-These eyeglasses chain ends are made of silicone and stainless steel, which are gentle, adjustable and durable.Packing list: 100 x glasses chain holders