Unisub 3.75" Round Sublimation Hardboard Coaster with Cork Back

Unisub sublimation coasters make great gifts or add a fine unique touch as décor. Designed using hardboard with a gloss white sublimation transfer surface for optimal color vibrancy. Hardboard allows you to transfer images quicker making production a breeze. Impress your friends, family, or co-workers. Great for clubs, businesses, or home and holiday occasions.   *Product may have a protective film over the sublimation area, peel before application.*     Specifications Size: 3.75" Round Thickness: 0.157" Substrate: Hardboard Finish: White Gloss Coaster has cork backing to protect furniture surfaces === tab_instructions Application Instructions Recommended Heat Press: Flat press Prepress: 20 seconds with the top facing up and covered with a Pro Grade Non Stick Sheet. Allow the substrate to fully cool prior to attempting your sublimation transfer. This will ensure optimal quality transfer of your design. Time: 60 - 70 seconds depending on artwork Temperature: 400° F (204° Cel