The safety ID wristband is made of PVC material, which is and comfortable, it is waterproof and suitable for children to use in various occasions such as swimming pools, seaside and so on. Use a pen to write important information on the safety wristband, such as the parents' telephone number, and then adjust the length of the wristband to make it suitable for children to wear, which helps to ensure the safety of the child. Features - Color: Random color - Material: PVC - Size: 17.00X1.80X0.10cm/6.68X0.71X0.04inch. - Note: The number of the yellow color is 20 and the number of the other each color is 10. - ID Safety Name Bracelet Wristbands for Kids, to label telephone number, name, address or other important information that kids in an emergency and provide important assistance. - These Child ID Bracelets are made of PVC material, high flexibility, waterproof tough, fit the skin, will not scratch the child's arms. - Only two steps to complete, simply write your mobile number in the space provide on the ID Safety Bracelets and put it on the kids' wrist. - The Emergency ID Bracelets are lockable, so it is infinitely adjustable and fits any ages of wrist, for kids and also adults; - The Anti Lost ID Wristband for kids suitable for multiple situations, such as school excursions, shopping, festivals, and other public places. Package list: Wrist bands