A twill weave cotton fabric that is soft but able to handle plenty of abuse. Sport Twill cotton is very durable and great for items that need to breath. Takes dye well with very good results. Our unique combination of thermal and reactive chemicals will maintain 99% of the ink in fabric with most ink jet printers. Simply heat set with a household iron to create vivid and permanent images. 100% Cotton Sports Twill White Pretreated Fabric - 10 Sheets!