During the 1990s, Hallmark was also briefly involved in the construction of fifth wheel trailers. Since 2000, Hallmark has remained dedicated solely to pop-up truck camper units. Milner LX 6'6" Truck ...

During the 1990s, Hallmark was also briefly involved in the construction of fifth wheel trailers. Since 2000, Hallmark has remained dedicated solely to pop-up truck camper units. Milner LX 6' Truck ...