... all light & dark fabrics such as: Cotton, cotton-polyester, wool Flex PU heat transfer vinyl for textiles This heat ... & dark fabrics such as: Cotton, cotton-polyester, wool, linen, Lycra, and some polyester athletic mesh knit fabrics. Its soft hand, strong adhesiveness ... , Bay etc. Printing & Transferring Instructions 1. Use on 100% polyester, 100% cotton, All poly/cotton blends, Lycra, Most nylons, ...