Square Coaster are hardboard with cork backing and one sided gloss white sublimation blank.
Sublimatable Square Coaster with Cork Back
9 Unisub Sublimation Blank Hardboard Coasters - 4 - Square, Gloss White Sublimation Hardboard with raw back, 4 x 4 x .125. No filmed peel coating.
Unisub Sublimation Blank Hardboard Quality Coaster 4 Square for Sublimation Imprinting Products Furniture Protection (Case of 40)
Unisub Standard Hardboard Square -40 pack coasters
Square MDF Coasters Sublimation Blanks Wood Coasters Cork Crafts
Sublimation Blanks Coasters for Drinks, Ceramic Drink
Unisub Sublimation Blank Coaster, Hardboard Rustic
Unisub Premium Hardboard Coaster with Cork Back, Gloss White - Square (24-Pack)
Ready To Ship Coated for Sublimation Glossy FinishHardboard Top Cork Backing Bottom Indoor Use OnlySingle Sided Sublimation The coaster is hardboard
Circle Coasters Hardboard with Cork Back 3.75 X 3.75 Gloss White Sublimation Blank
4 x 4 Hardboard Sublimation Drink Coasters
Cork-Back MDF Sublimation Drink Coasters
12 pcs Sublimation Square Coaster Blanks Products Bulk
Unisub Sublimation Blank Quality Hardboard Furniture Coaster with