300 Piece Earring Back Kit (7 Styles of Earring Backs) Don't worry about ever losing earring backs again, we've got you covered! This kit has 7 of the most popular earring backs in one handy collection. 100 pcs Rubber Safety Ear Backs, 30 pcs Surgical Steel 8mm Plastic Disc Ear Backs 10 pcs Gold Plated Ear Backs, 30 pcs Surgical Steel Extra Large Ear Backs 100 pcs Standard Surgical Steel Ear Backs, 10 pcs Clear Sleeve Ear Clips 20 pcs Clear Rubber Ear Backs, 1 Clear 7 Compartment Case