Effective shrink-wrapping starts with the correct placement of the wrap. Ripack's Calpack Pallet Raiser helps you create space under the pallet in order to slide under the excess shrink-wrap, fully protecting the underside of the corners while. Allowing the shrink wrap to create a secure hold under the corners of the pallet halps to make the item on the pallet and the pallet itself almost as if it were one item. Pallet raisers are also great tools for loading, unloading, and transporting materials on pallets of any material. Fits pallets 31.5" x 47.25" inch pallets and includes wideners for 40"x40" and 40"x48" pallets.