MULTIFUNCTIONAL OUTDOOR APPLICABILITYSuitable for all sports and outdoor activities, our tattoo covered sports cuffs provide UPF50+ UV protection and remain comfortable for long hours of outdoor activities. They are also effective against mosquito bites, whether running, golfing, fishing, cycling, hiking or gardening, our sleeves provide the necessary support and protection to help kids perform at their bestPERFECT FIT SIZELength 29"; wrist circumference 6.7"; upper arm circumference 11". Designed with muscle recovery and blood circulation in mind to provide the best fit during exerciseINNOVATIVE TECHNOLOGYOur 4-pair UV Protective Cooling Sleeves are long enough to protect your child from UV rays by blocking harmful UVA and UVB rays. These versatile sleeves bring coolness in the summer and warmth in the winter, ensuring year-round comfortDURABLE AND PRACTICALMade of high quality nylon material, our arm compression sleeves are elastic and durable, fit closely to the arm muscle lines, lightweight design does not hinder the child's activities, suitable for a variety of sports and activitiesSEAMLESS AND COMFORTABLE DESIGNUtilizing seamless knitting technology, our kids' arm sleeves are soft and snug without leaving a mark. Excellent breathability and quick-drying properties keep your child's skin fresh and dry all day long, enhancing the wearing experience