SOFT AND BREATHABLE- On account of the arm sleeves is made of 92% elastic nylon and 8% spandex, which is soft to touch, breathable and moisture-wicking, very easy to clean and quick-dry and easy to put on and off. ELASTIC ARM SLEEVES- These arm sleeves can be stretched to fit your arms, approx.40 cm/15.7 inches in length(when not stretched ), suitable for people weighing 45-100 kg. Fake Tattoo SPORTS ARM SLEEVES- This sporty arm sleeve is very flexible and fits perfectly into your arm. Don't worry about being too tight or too loose during exercise. The fake tattoo on the arm sleeve makes you don't need to worry about the pain and cost. It is a very nice and cheap sports arm sleeve. WARM IN WINTER AND COOL IN SUMMER- In summer, it could be used as arm sleeves and stocking, definitely feel cool. But in winter, it can make your arm warmer or Halloween costume too. Got no sunburn or bug bites. bacteria proof, fast sweat kick-away and fast dry make your skin fresh all day.