Quantity and Size: about 13x10mm, Hole: 1.4mm, Pin: 0.7mm,Pack of 30 pcs,with 60Pcs Earring Backs and plastic storage boxes, convenient for storage and use.perfect for DIY earrings making. Design simple:stainless steel Stud Earring in golden,Star design adds a sense of fashion to your earrings, and the simple style is suitable for daily wear. High Quality Stainless Steel: stud earrings are made of 201 quality stainless steel. not easy to break, deform or bendsmall earrings are decorated with smooth surface, showing metallic luster, low sensitivity and no harm to the ear. Wide uses: you can use these earring studs with loop hole to create your own style of jewelry crafts, Turn them into earrings of various styles; They can add stunning touch to your outfit. Handmade Gifts: Start your jewelry projects and enjoy the funny DIY time! These are great accessories to make meaningful jewelry gifts and express your love for your family and friends on birthday, Mother's Day, Thanksgiving, Christmas, etc.