Prima Pocket Cap Heat PressPrima Pocket Cap Heat Press The Prima Pocket Cap Heat Press features a curved 8 x 13cm plate for cap decoration. This can be interchanged with the 15 x 15cm platen for pockets. The heat press can also be used for small sublimation work. The Prima Pocket Cap Heat Press has an auto open function meaning that the heat press automatically opens at the end of the timer, stopping the transfer process. Perfect if you need to move away from the heat press