Size: Length: 38, Height: 12 cm, Height: 9 cm. Optimal UV Protection: No more running back and forth to protect yourself from the sun! With a UPF 50+ rating, this sun protection sleeve offers uncompromising UV protection, even outdoors. Whether you're shooting or throwing, you're perfectly protected. Comfortable and Breathable: The more you sweat, the cooler these sleeves get. Amazing! Made from a breathable, moisture-wicking fabric, these cooling sleeves keep your arms cool, even in the heat. Technical Fabric: Stay cool and protected in hot, sunny weather. Lightweight and breathable, the fabric provides a cooling sensation. The cooling sleeve is the ideal protection for hot, sunny days. Excellent Tattoo Protection: No more hiding your tattoos under long-sleeved cotton t-shirts. Use these cooling sleeves to protect them. The nylon/elastane blend in these full-coverage tattoo sleeves instantly gives you a professional look, without sweating. For optimal coverage, choose black or dark grey models.