Cooplay 3mm Invisible Plastic Earrings Blank Pins Stud Tiny Head Findings DIY Supplies Back Post Earnuts Pad Nickel Free (100) Approx. size: 11 mm pin length, 1 mm pin thickness, cup wide - 3 mm in diameter Great for sensitive ears! Safe for children's jewelry. Blends with skin, no need to match metal colors of other jewelry worn Multiple application: these clear earring designs for kids, adults and even craft makings, they can also use for new jewelry or to replace other earring posts They are designed for people who got ear holes, suitable for both men, women, kids and adults. Small parts, not suitable for children under 3 years old. With creative design, it is perfect gift for your friends. Transparent Suit for DIY: Plain and simple design, you can wear these as normal earrings to keep your ear holes open while disguising it for work, school, etc. You can stick some beads, imitation pearls and other objects to make your own earrings.