Age : Above 13 Material : SPANDEX Arm Sleeve : Breathable Armguard arm compression : Sports arm protection arm sleeve compression : compression sleeve uv protection : sun protection sleeve sun protection sleeve : cooling arm sleeve uv protection Package: 1Pcs * Arm Sleeve Specifications: Unit: 1Pcs Arm Sleeve (You will get just 1 pcs, if you need 1Pair=2pcs, please choose the quantity 2.) Applicable ages: Fits Adult Size Chart: M - Top Perimeter: 23-27cm / 9-10.6inch; Bottom Perimeter: 13-15cm / 5.1-5.9inch; Length: 38cm / 14.9inch.  Suitable weight: Within 60 kg L - Top Perimeter: 25-29cm / 9.8-11.4inch; Bottom Perimeter: 15-18cm / 5.9-7inch; Length: 39cm / 15.3inch.  Suitable weight: Within 70 kg XL - Top Perimeter: 27-32cm / 10.6-12.6inch; Bottom Perimeter: 18-20cm / 7-7.8inch; Length: 40cm / 15.7inch.  Suitable weight: 70 kg or more Note:The size is measured by manual sampling, there may be an error of 1-2cm Please help to measure your mid-upper arm circumference with a soft ruler before purchasing. Wash Tips 1. Best hand wash in cold water or 30 degree warm water, let it dry in the shade. 2. Soak with soap, then rub it gently, no hard brushing to avoid pilling. 3. Please wash it separately in case of dyeing by the deep color clothing. 4. No bleach, no ironing, no exposure on the sun. About the product: THREE SIZES: 3 sizes for your choice, you'll always find one fit you. Please check the size chart carefully and choose a best one for you. UV PRODECTION: The fabrics of the arm sleeves are treated with ultraviolet light absorber that can powerfully absorb the high-energy ultraviolet and protect your arms from the sun's harmful damage. ANTI-SLIP: With the ergonomic design, admirable silicone gel and elastic bands sewed into the arm sleeves, it's hard for them to slide out of the place and bunch up. FITS ALL: Our sleeves with super high elasticity, nonrestrictive, confirm to your arm shape, allow maximum freedom of movement without falling off. It is very comfortable to everyone to wear, from kids to adults, from small female to huge man. OUTDOOR & INDOOR SPORTS: Great elasticity and breathability guarantee comfortable wearing, suits for all types of sports, such as basketball, football, soccer, volleyball, tennis, shooting, climbing, cycling, or others kinds of outdoor sports