INNOVATIVE COOLING TECHNOLOGY: Our 3 pairs of UV protective cooling sleeves are crafted from cooling Prototype Silk fabric with UPF 50 protection, blocking harmful UVA and UVB rays. These sleeves provide a cool feeling in summer and warmth in winter, ensuring year-round comfort. Available in black, grey, and white. SIZED TO FIT: The children's arm sleeves measure 29.5cm in length, with a wrist circumference of 7.8cm, expandable to 15cm, and an upper arm circumference of 9.3cm, expandable to 20.3cm. They are designed to fit comfortably, promoting muscle recovery and blood circulation during exercise. SEAMLESS COMFORT: Featuring seamless technology, these kids' arm sleeves won't leave any marks on your skin. The quick-drying properties keep your skin fresh and dry all day, enhancing overall comfort. DURABLE AND PRACTICAL DESIGN: Our arm compression sleeves are highly elastic and durable, with an elastic upper band to secure the sleeve in place. Perfect for temporary tattoos, making it a versatile and practical choice. VERSATILE OUTDOOR USE: Ideal for a variety of sports and outdoor activities, our tattoo sport sleeve offers UPF 50+ UV protection to keep you comfortable during extended periods in the sun. Whether you're running, golfing, fishing, cycling, hiking, or gardening, this sleeve provides superior protection and comfort.