HIGH ELASTICITY MATERIAL - Made of cooling polyamide and spandex high elasticity material, which can give you cool feeling in hot weather, and the new material is soft, elastic, more skin friendly, and has good flexibility and good moisture absorption ability. COMFORTABLE & BREATHABLE: High performance fabric can fast sweat kick-away and fast dry, ensure outstanding comfort and make your skin fresh all day long. The non-slip elastic bands on the top and the finger hole design keep the sleeves won't slip from your arms. PRACTICAL & DURABLE - The hand cover ensures full coverage while the thumb holes will keep your arm sleeves in place, protect your arm and hand skin. Long usage and lightweight material, convenient to carry with you. One Size Fit Most - Our arm warmers with elasticity fits for most arms and can be easily worn and removed. Could be used on your arms or legs. Convenient to use. Suitable for both men and women. Wide usages: great for hiking, running, jogging, riding, driving, golfing, climbing and any other outdoor activities; You can also use them protect your muscle or use as arm moisturizing sleeve. Color: white, gray, black, blue Size: about 40CM long Product Includes: 4x Sleeves