Yudu heat-set flocking. 4 sheets 12x16' each & 1 flocking roller per pack. To sue with your Yudu machine: 1) Burn design on 70-mesh screen 2)Place a thick bead of glue above the design. 3) Flood screen and pull the glue through screen 4) Lay flocking on top of glue color-side down. Press flocking firmly into the glue. 5) Iron 3-5 minutes on medium setting. Let cool & peel back the flocking sheet. Use the flocking roller to remove excess flocking fibers.