Karebeen 50pcs Eyeglass Chain Ends, Silicone Eyeglass Chain Ends for Eye Glasses Holder Necklace Chain

["Built-in adjustable metal coil for secure grip, fits tightly on your glasses and stays stable during daily wear or sports.","Made of flexible silicone and sturdy stainless steel, soft, wear-resistant, and long-lasting for daily use.","Comes with 50pcs eyeglass strap ends, sufficient for daily use, replacement and DIY crafting.","Each connector measures 20 x 4mm (L*W), compatible with most eyeglass chains and glasses legs.","Perfect for sunglasses chains, sports glasses straps, eyewear necklaces and other jewelry DIY projects with loops or hooks."]