IGNITEX Gaming Sleeves (Black, 2pcs) Poly-spandex 92% Nylon / 8% Spandex. Our gamer sleeves can increase your reaction times, precision and accuracy by 20%. The smooth second skin sleeves are great for PC gamers who want to get an extra edge. The sleeves allow you to effortlessly slide across any table or mousepad surface, even in humid conditions. Gaming marathons are not only intense, but they get hot too! Don't worry, our OP Gamer Sleeves are made with a lightweight, breathable, sweat wicking fabric poly-spandex fabric that will keep you cool as a cucumber even if you're gaming in a basement in Texas with the temp in the mid 80s! Compression Support: our gamer sleeves are made with 4 way super stretch fabric and have a ribbed forearm for mild compression support, providing muscle and joint support and improving circulation. This helps improve performance and can help prevent repetitive strain and carpal tunnel syndrome. Our 4 way stretch sleeves snugly fit all arm shapes and sizes and are great for men, women and teens. Our OP Gamer Sleeves are sold as a pair, so yes you get 2 in each pack. So you can either wear as a pair or only wear 1 one on your mouse arm and switch them around.