UNIVERSAL SIZE -- Each ear stud back measure 4.5mm x 5mm. This clear rubber earring backs fits securely on most standard posts.
HYPOALLERGENIC -- These earring backs are made out of quality silicone, which is durable and hypoallergenic, safe for your sensitive skin and comfortable to wear.
ELEGANT BACKS -- They are gorgeous replacement for missing ear stud back. Also elegant for replacing original earring backs.
PRACTICAL USE -- Can be passed by most of the ear posts and become smaller at the end. Hold the stud firmly & Prevent earrings from falling and falling.
PACKAGE CONTENT -- You will receive 50 pieces rubber earring safety backs as useful accessories of your beautiful earrings.