Review on Sublimation Blank Coaster Hardboard Pieces by Justin Dorsett

The name says it's fibreboard, but they aren't. They are rubber based polyester fiber (fabric). The only place I could find the word fiber, which doesn't necessarily mean fabric, was on one of the pictures. They sublimate well but are fairly matte as you would expect from a fabric. They probably work well as coasters, but I didn't want that. I kept and used them because they were so cheap I didn't have to send them back. They also give off a strong rubbery smell when in the heat press and for a while after.