Rubber Connector for Eyeglass Holder, One Pair of Rubber Ends for Sunglass Holder, Glasses Rubber Loop Ends Adjustable Coil Stainless Steel This listing is for 1 set (2 pcs) of rubber ends with adjustable coil for eyeglass holder. Material: Rubber & Stainless Steel Size: 21mm (approx.) Rubber ends for sunglass, eyeglass & mask holders. Stainless steel coil, good quality. Please verify that your mailing address is correct before submitting the order. Rubber Connector For Eyeglass Holder, One Pair Of Ends Sunglass Glasses Loop Adjustable Coil Stainless Steel