Safety Wristband: Add your child's phone number, name, address, or other vital information for peace of mind when you're out and about. Adjustable Length: This safety ID wristband measures 7.7 x 0.8 inches (19.5 x 2 cm) and fits wrists of all ages. Easily adjust the length for a comfortable fit. Durable and Waterproof: Made with skin-friendly PVC material, these wristbands are tear-resistant, soft, and gentle on the skin; safe, eco-friendly, and odorless. Perfect for Parties and Public Places: Prevent lost children at parties, playgrounds, malls, and other public areas. Colorful designs to suit any preference. Emergency Contact Information: Clearly display phone numbers, names, addresses, or other crucial information to ensure your child receives immediate help in an emergency. Adjustable Fit for Kids: The wristbands measure 7.5 x 0.8 inches (19.2 x 2.15 cm) and can be adjusted for a perfect fit on children's wrists.