The 40" x 48" x 45" Uni-Pak® plastic sleeve with access door is a low-cost packaging solution used in a variety of applications. Made from triple-layer polyethylene film, the Uni-Pak® plastic sleeve has exceptional wall strength and can be stored outside in any season, rain or shine. Once assembled, the sleeve's single fold down door allows easy access to the contents within. When used with the Uni-Pak® pallet top and base, the plastic sleeve can hold 2,000 lbs. per load and is stackable. Grey color.