This is a sale of 10 black, ball-shaped, 2-hole cord stoppers/cord locks. I'm selling these because I have extras from a bulk purchase online for making handmade clothes. Size: 15mm x 15mm x 5mm Material: Plastic Spring-loaded Small size, about the size of a woman's thumbnail! They are also thin, making them perfect for small items around children and babies! Cord stopper Cord lock Cord end String String stopper String adjustment Elastic cord Color: Black