OK, this product is a hard sell. It is for geeky girls and/or geeks with girlfriends. Not many out there, right? We kid, we kid! This is for all the lovers of retro design and Tetris game. Girls with geek boyfriends, this is how you positively surprise your man. Tetris Leggings are 86% Polyester and 14% Spandex. The printing is high quality and will not crack,will not decolorize and is very durable. High-quality fabrics that is slightly glossy.