Comfortable Material: Our leg compression sleeves and arm sleeves are made of high quality polyester, which is gentle on the skin, soft and comfortable, breathable and stretchy, providing a comfortable wearing experience for your kids.Wide Range of Use: This youth compression sleeve is suitable for both indoor and outdoor activities including basketball, soccer, volleyball, cycling, jogging, walking and various ball games. It allows kids to fully enjoy their activities while providing protection and support for their limbs.Thoughtful Design: You will receive two pairs of black compression leg sleeves and two pairs of black arm sleeves, for a total of 4 pairs and 8 pieces. Using both leg compression sleeve and kids arm sleeves together can offer protection to both the arms and legs, ensuring comprehensive coverage during physical activities.Anti-Slip Design: The top inner ring of the leg compression sleeves and arm sleeves are designed with a silicone band with a non-slip design, which can effectively keep the leg and arm sleeves on your limbs, so you don't have to worry about sweating while exercising, which will cause the sleeves to fall off.Appropriate Size: Kids compression leg sleeves and arm sleeves in smaller sizes and elasticized design fit most boys and girls. Designed in different sizes, so you can choose according to the size in the picture. Please make sure the size fits before buying.