Pandahall 200pcs Clear Soft Plastic Earnuts Findings Earring Back Stopper Rubber Bullet Ear Wire Clutch Earring Safety Backs 4x4mm Clear Soft Plastic Earnuts Findings Earring Back Stopper Rubber Bullet Clutch Earring Safety Backs Size: about 4mm long, 4mm wide, hole: 1mm. Quantity: 200pcs in the package Secure your earring designs with this clear rubber earwire clutch earring back. This clutch is made from clear medical-grade PVC that will not burn or tarnish silver. Since it is transparent, this mini earring back will not distract from your designs and will be barely visible on the earwire.