Earring back is simple in design and practical in use, give you a pleasant wearing experience. Made of plastic and metal material, safe and durable for use, skin friendly. These earring backs can be used for most pierced ear studs and earrings. Enough quantity for you to use. Features -Color:Assorted Color -Material:Plastic, metal -Size:1.00X1.00X1.00cm/0.39X0.39X0.39in -Size:0.50X0.50X0.20cm/0.20X0.20X0.08in - Adopting from plastic and metal material, which is lightweight and durable, can be a good helper for your earrings. - Smooth corners, safe to the skin, large quantity and enough for you to use. Earring Backs made from plastic and metal, pliable and comfortable to wear. - The simple style which is suit for most kinds of earrings and meet your needs. - Easy to grasp, they can easily slide onto the stick and stay on the stable earring without . - Earring Backs are safe for your ears, and they also keep your earrings on tight. Package list: 640 x warhead earring backs 960 x butterfly earring backs 320 x wintersweet earring backs 400 x earring backs 160 x flying disc earring backs