925 Sterling Silver Hypoallergenic Set of 4 Pairs Christmas Set Rudolph Reindeer , Crystal Candy Cane, Santa Claus, Snowman w/ Red Scarf Stud Earrings (Nickel Free) The back of this ear stud is Push Back with 925 Sterling Silver Lightweight, easy to take in and out, yet stay securely in place And Comfy. Hypoallergenic, lead & nickel free Safe for sensitive ears. (comes with Sterling Silver Butterfly back and Extra Clear Silicone Bullet Clutch Ear Nuts for Earring Safety Backs) Little stored box. our ICYROSE products are always backed by a 100% Money Back 30 Days Guarantee.