a carton is provided for holding wet books and like materials during transport to and processing at a freezing and freeze drying or vacuum drying facility . the carton is fabricated as a laminated corrugated carton from a high density polymer that may be stored in a flat condition , assembled to hold the books or like and after their processing collapsed for storage . the carton have openings throughout to facilitate extraction of fluids . the cartons are reusable as many as 20 times or more .