25pcs of Set 11in x 7.9in Tempered Glass Cutting Board Sublimation Blanks with White Coating Rough. Quantity: 25pcs / ctn. 185℃ (365℉) & 3 mins for heat presses (For single sided heat press machine, place the glass sublimation blank cutting board white printable side down on image (image face up), and secure with thermal tape to make sure better sublimation finishing.).