Beads - brand generique - 50Pcs Ends Glasses Holder Repair Chain Cord Buckle Ends White Silver Highlights brand generique 50Pcs Ends Glasses Holder Repair Chain Cord Buckle Ends White Silver Quality material: the ends of the adjustable glasses chain are made of silicone and Made of durable iron, the custom long spring combines quality stainless steel material with exquisite technology, never worry about rusting and fading. Adjustable and comfortable: the adjustable design can fix the silicone buckle with a spring to fit all sizes of glasses, moving the stainless steel hoop which slide up means lock and slide down means unlock, parts needed keep your glasses safe when moving and provide more comfortable using experience Wide Usage: For any crafts that require end loops and stationary hoops, these are essential accessories for the DIY pleasure of jewelry like sunglasses chain, sports glasses strap, glasses necklace, etc. Size: the silicone hoop is approx. 23mm in length, 7mm in width, long spring is approx. 8mm in length, universal size for most eyeglass chains. WIDE USE: Perfect for any craft project that requires an end loop. Specification: Material: Silicone, Iron Size: 2.3x0.7cm/0.91x0.28inch Package Includes: 50 Pieces Glasses Chain Ends Note: Please allow slight difference due to manual measurement. The color may be slightly different since the different monitor. THANKS!