What is a mask?
Mask is a heat safe application tape used for printable vinyl and patterned HTV.

Where can I find application instructions?
All application instructions are available on the product pages. 

Why isn't my material sticking?
Check the application instructions to be sure you are using the correct settings, if you are still having trouble, reach out to our customer support. Be sure to include your order number, the material that you are having troubles with and the garment type and color you are pressing on.