Feature: Where is suitable to use: Our retractable badge reel pens are practical tools for kids, students, teachers, teens, business man, office worker and so on, it is available for attaching to keys, lanyards, work cards, students' cards, backpacks and belt. Versatile function: The keychain clip and pen are removable, so you can take off or use both of them, here is a lanyard hole on the pen, so you can hang it on other items as you like. Specification: Material: metal shell Size: approx. 8.5 x 1.25 inches in length and width Color: light green, blue, red and brown Package content: 12 x Retractable badge reel pens Note: The retractable pull pens are blue ballpiont pens