Bijuland is a wholesale bead and craft materials supplier based in Plovdiv, Bulgaria. The Earring Backs category (винт за обеци — vint za obetsi) covers the fastening components that secure earring posts behind the earlobe — within the broader Metal Elements and Findings section. Wholesale and retail purchase available, with shipping across Bulgaria and Europe.

Earring backs (винт за обеци — vint za obetsi) are the small fastening components that push or screw onto an earring post behind the earlobe to secure the earring in the piercing and prevent it from falling out. Without an earring back, a stud or post earring would slide straight through the piercing and be lost. The main types are: butterfly backs (пеперудки — peperudki — literally "little butterflies") — the most widely used standard earring back, consisting of a small metal component with two spring-loaded arms that fold outward, forming a butterfly-wing shape; the earring post passes through the central hole between the arms, and the spring tension of the arms grips the post when pushed into place. Butterfly backs are quick to apply and remove, and are the standard back for most commercial and handmade stud earrings. Screw backs (винтче — vintche — literally "small screw") — a threaded nut that winds onto a correspondingly threaded earring post, providing a more secure mechanical closure than a butterfly back; used for heavier or more valuable earrings, particularly in fine jewellery, where security is a priority. Rubber or silicone backs — soft, flexible stoppers that push onto an earring post; comfortable against the skin and suitable for sensitive ears or children's jewellery where a metal back may cause irritation. All metal back types are available in gold-plated (позлатена — pozlatena) and silver-plated (посребрена — posrebren) finishes.

Earring backs serve two distinct buyer needs at Bijuland. For jewellery makers, earring backs are components purchased alongside earring post findings when assembling handmade stud earrings — the post and back are purchased and assembled together as part of the earring making process. For individual buyers and earring owners, earring backs are one of the most commonly needed jewellery replacement parts — butterfly backs are easily lost, bent, or worn out, and a single lost back renders an earring unwearable. Bijuland sells earring backs in quantity, making them cost-effective as both a craft supply and a replacement component. Butterfly backs are the most universally compatible back type — they fit the standard post diameter used in the vast majority of commercial and handmade earrings. Bijuland ships from Plovdiv, Bulgaria and supplies jewellery makers, craft studios, and bead resellers across Bulgaria and Europe.