M-PAK® is a reusable dunnage product made from highdensity engineered foam, with a high strength industrialcoating. It’s designed to provide a resilient impact absorbing cushion between certain units of product. M-PAK® can be reused and is waterproof, meeting many of our customers’ goals for costs savings and a positive environmental impact. M-PAK® will not crack or leave debris upon heavy impact. Custom sizes are available. M-PAK® meets and exceeds the AAR requirement for lengthwise void fillers of 1,500 pounds per square foot.