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A pallet spacer system including a pallet spacer having a pallet spacer body with a plurality of upper portions. Each upper portion has a generally flat upper surface that is aligned with the upper surfaces of the other upper portions. The pallet spacer body further includes a plurality of lower por

A pallet spacer system including a pallet spacer having a pallet spacer body with a plurality of upper portions. Each upper portion has a generally flat upper surface that is aligned with the upper surfaces of the other upper portions. The pallet spacer body further includes a plurality of lower portions, each lower portion having a generally flat lower surface that is aligned with the lower surfaces of the other lower portions. The pallet spacer system includes a plurality of spacers positioned on the upper portions and configured to receive at least an item therebetween.

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1. A pallet spacer system comprising a pallet spacer having: a pallet spacer body including a plurality of upper portions, each upper portion having a generally flat upper surface that is aligned with the upper surfaces of the other upper portions, the spacer body further including a plurality of lo

1. A pallet spacer system comprising a pallet spacer having: a pallet spacer body including a plurality of upper portions, each upper portion having a generally flat upper surface that is aligned with the upper surfaces of the other upper portions, the spacer body further including a plurality of lower portions, each lower portion having a generally flat lower surface that is aligned with the lower surfaces of the other lower portions, wherein each upper portion has a lower surface and each lower portion has an upper surface, wherein the lower surfaces of said upper portions are generally aligned with the upper surfaces of the lower portions, wherein said spacer body has a plurality of openings extending entirely through a thickness thereof, and wherein the lower portions lack any spacers positioned thereon; anda plurality of spacers positioned on said upper portions and configured to receive at least an item therebetween. 2. The system of claim 1 wherein the upper surfaces of said upper portions are not aligned with the upper surfaces of the lower portions, and wherein the lower surfaces of said upper portions are not aligned with the lower surfaces of the lower portions. 3. The system of claim 1 wherein said upper surfaces of said upper portions together form a discontinuous outermost surface of said spacer body on one side thereof and wherein said lower surfaces of said lower portions together form another discontinuous outermost surface of said spacer body on an opposite side thereof. 4. The system of claim 1 wherein the upper portions are spaced apart from each other defining upper channels therebetween, and wherein each upper channel has a depth equal to at least about half a thickness of said upper portions. 5. The system of claim 1 wherein the upper portions are spaced apart from each other defining upper channels therebetween, wherein said upper channels extend in a longitudinal direction, and wherein adjacent ones of said spacers define a gap therebetween in a lateral direction perpendicular to said longitudinal direction, and the system has at least three gaps having the same lateral dimension. 6. The system of claim 1 wherein the lower portions are spaced apart from each other defining lower channels therebetween, and wherein each lower channel has a depth equal to at least about half a thickness of said lower portions. 7. The system of claim 1 wherein the spacer body has a generally constant thickness. 8. The system of claim 1 wherein said spacer body has a generally constant cross sectional shape along its entire longitudinal dimension. 9. The system of claim 1 wherein the spacer body includes a plurality of transition portions extending between an upper portion and a lower portion, and wherein each transition portion has outer surfaces that are angled relative to said upper surfaces of said upper portions. 10. The system of claim 9 wherein said upper portions, said lower portions, and said transition portions all have about the same thickness. 11. The system of claim 1 wherein each spacer is oriented perpendicular to said upper surfaces of said upper portions. 12. The system of claim 1 wherein each spacer extends generally an entire longitudinal dimension of said pallet spacer body. 13. The system of claim 1 wherein all lower portions of said spacer body have generally the same lateral dimension. 14. The system of claim 1 wherein said openings are positioned in said plurality of lower portions. 15. The system of claim 1 further comprising a plurality of items positioned on said upper surfaces of said upper portions, each item being closely received between a pair of adjacent spacers, the system further comprising a supplemental pallet spacer positioned such that said lower portions of said supplemental pallet spacer are supported by said items. 16. A pallet spacer system comprising a pallet spacer having: a pallet spacer body including a plurality of upper portions, each upper portion having a generally flat upper surface that is aligned with the upper surfaces of the other upper portions, the spacer body further including a plurality of lower portions, each lower portion having a generally flat lower surface that is aligned with the lower surfaces of the other lower portions, wherein said spacer body includes a relatively laterally-short upper portion positioned between two relatively laterally-long upper portions; anda plurality of spacers positioned on said upper portions and configured to receive at least an item therebetween. 17. The pallet spacer of claim 16 wherein each relatively laterally-long upper portion includes a spacer positioned thereon, and wherein said relatively laterally-short upper portion lacks a spacer positioned thereon. 18. A pallet spacer system comprising a pallet spacer having: a pallet spacer body having a generally flat, discontinuous upper surface with a plurality of longitudinally-extending channels formed therein and a generally flat, discontinuous lower surface with a plurality of longitudinally-extending channels formed therein, wherein each channel of said upper surface has a depth equal to at least about half a thickness of said spacer body, and wherein the spacer body includes a plurality of transition portions extending between the upper surface and the lower surface, each transition portion having outer surfaces that are angled relative to said upper surface; anda plurality of spacers positioned on said upper surface and configured to receive at least one item therebetween, wherein said lower surface lacks any spacers positioned thereon. 19. The system of claim 18 wherein each upper channel has a depth about equal to a thickness of the spacer body, and wherein said spacer body includes a relatively laterally-short upper surface portion positioned between two relatively laterally-long upper surface portions. 20. The system of claim 18 wherein all lower surface portions of said spacer body have generally the same lateral dimension.