Customize your keychain with your child's name for a truly unique and special accessory. These personalized keychains are perfect for back-to-school season. They're great for backpacks, lunch boxes, sports bottles and more. The length of the keychain varies based on the number of letters in the name, with most measuring between 2.5-3.5". Each keychain is made of 1/8" acrylic, making them durable and stylish.