The 40 x 48 x 34 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. 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.