This Safety iD Reflective Wristband by iDME is ideal for kids to wear round their wrists to keep them safe on any outing or if they get separated from you. Two 3-fold iD insert cards allow you to write your child's name, allergies, medication, address, emergency contact and any other information you feel may be important. These waterproof and tearproof iD cards are then tucked neatly into the wristband where they are kept safe. Whether it is at the beach, on holiday, at a birthday party, or whilst you're out in the evening, your child will have life saving information at hand in case of any emergency. Size is measured by wrist circumference, Medium - 13cm - 17cm.