Because i own the cricut easypress i like to reference their user guide for all of my projects.
Heat transfer vinyl on polyester bag.
It s the water resistant bit that may complicate matters.
Then you ll need to order your transfer type or vinyl material in something that applies that low.
You can put in the type of heat transfer vinyl you re using the material you re putting your decal on and whether you re using a pressing pillow i recommend using one or a towel.
Siser heat transfer vinyl can be applied to 600 denier polyester with the lower temperature method explained in this post 280 f for 15 20 seconds and you ll likely want to use a heat transfer pillow or rolled up towel to achieve even pressure.
Another issue to look at is around the cover sheet that you use.
This means that it is a good idea to use a cover sheet as it will protect your polyester garment.
These go over the heat transfer during the heat printing transfer and carry out the function of stopping the fabric from scorching of melting.
The heat transfer vinyl used.
You ll need to use a heat transfer that applies at a low temperature so that the polyester won t scorch.