The Knee Support strained muscles or injured Knee.The Knee Brace provides firm support to your knee.The Children Knee Pad with elastic is very easy for wear and suitable for all sports and atheletic activities.It's suitable for Children about 10 years old (please refer the measurement below).Caution: If anaphylaxis occurs by using this product, please discontine using it.Washing instruction: Hand wash in cold water, air sry atroom temperature, do not machine wash and dry