Dermapak, Specimen Envelope - Original x 25 For the sahe handling and transportation of dermalogical specimens for mycological investigations. • Dermapak original has a clear plastic window attached to a matt black board. The window allows for visual examination before opening the specimen • Dermapak 4 is made entirely from a black absorbant board folded to form the specimen containment envelope. This helps to prevent sweating of the specimen if kept for long periods. Side retention flaps for security while transporting.