These tote bags are made from jute and have a white polyester front pocket for sublimation or htv. They measure 300mm wide x 300mm high x 190mm deep. Please use a sacrificial piece of paper or a pressing cushion inside the pocket when you press.
 
The manufacturer reccommends 180 degrees for 120 seconds with medium pressure but this is a guideline, you may need to do your own testing to suit your particular ink, paper and heat press.