How to use: Put the two armbands on your child's upper arms. Make sure to fully inflate all the air chambers before use. You can use the armbands by themselves or combine them with a matching swim ring. Who can use: They're for kids aged 2 - 6 years old and weighing between 15 - 30 kg. Precautions: Always keep a close eye on your child when they're using the armbands. All components of the armbands should be worn. Maintenance: Regularly check the seams and covers of the armbands to make sure there are no rips or tears. Store them in the provided reusable organic cotton bag for easy storage and to keep them in good condition.