**If you have purchased square coasters before from Forever Blanks, these are from a new supplier, they’re just a tad smaller than the previous coasters that were 3.75 inches.**
Square blank glossy white hardboard coaster with a cork bottom.
Each coaster measures 3.5 inches & are .125 inches thick.
Each coaster comes with a layer of thin protective film, peel before use.
Suggested temperature to sublimate coasters is 400 degrees Fahrenheit for 70 seconds with medium pressure. Depending on your heat press you might need to adjust those settings.