MebuZip #3 Coil Zippers Closed Ended with two long pulls head to head sliders LENGTH: The teeth length is 20 inches, the overall length is about 21 inches. Please check the pictures for reference QUANTITY: totally 20pcs in 20 different colors, one piece for each color MATERIAL – nylon coil teeth, metal pulls and polyester tape, strong and easy to use MebuZip 20PCS 20 Inches Double Slider Zippers #3 Nylon Coil Zippers with Two Long Pulls Head to Head Closed Ended Zippers 20 Assorted Colors (20")