???Secure Earring Backs - With an built-in spring lock design, the locking earring back replacements allows you to wear your expensive precious diamond or pearl earrings safely with no worries, safe and comfortable ???Cost-effective - Come with 2 pairs gold plated earring backs. Earring Backs Size: 0.28in*0.35in, fit diameter 0.028in to 0.036in post. ?????????Please check your earrings post type and size to match perfectly before buying????????? ???Easy to Use - Easy to weare on/off by pressing the two side buttons. Require double or single notched post to lock pierced earring firmly. Note: unusable for plain post ???Great Gifts Idea - It would not get wrong as a nice gifts choice for all the women girls who have earlobe piercing. Come with a small gift bag ???Satisfied Guarantee - Any reason you are unsatisfied with your purchase, we will provide you with a replacement for damaged Product or a full refund