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A method for using a rollover shipping cushion is presented. The cushion is formed by folding, in a specific manner, a single sheet of die-cut corrugated fiberboard to create the cushion. When properly folded, the cushion includes a central shipping cavity that is surrounded by shock-absorbing tubes

A method for using a rollover shipping cushion is presented. The cushion is formed by folding, in a specific manner, a single sheet of die-cut corrugated fiberboard to create the cushion. When properly folded, the cushion includes a central shipping cavity that is surrounded by shock-absorbing tubes on all six sides of the central shipping cavity. An item is then placed within the central shipping cavity for shipment.

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What is claimed is: 1. A rollover shipping cushion comprising: a single piece of foldable corrugated plastic composed of: a central sheet; a first end assembly and a second end assembly attached to the central sheet, wherein each end assembly includes: a top tube sheet composed of: a first tab and

What is claimed is: 1. A rollover shipping cushion comprising: a single piece of foldable corrugated plastic composed of: a central sheet; a first end assembly and a second end assembly attached to the central sheet, wherein each end assembly includes: a top tube sheet composed of: a first tab and a second side extending away from a first side and a second side of the top tube sheet, and an end tab extending away from an end of the top tube sheet; and a top lid sheet; a first side assembly and a second side assembly attached to the central sheet, wherein each side assembly includes: a bottom tube sheet having a bottom tube locking tab, wherein the bottom tube sheet has a width that is narrow enough to slide through a bottom tube slot in the central sheet, and a side tube sheet having a first support tab and a second support tab; wherein, when folded, the single piece of foldable corrugated plastic forms a rollover shipping cushion that includes: a first top tube and a second top tube formed from top tube sheets of the first and second end assemblies, a first bottom tube and a second bottom tube formed from bottom tube sheets of the first and second side assemblies, a first side tube and a second side tube formed from side tube sheets of the first side assembly and the second side assembly, a first end cushion and a second end cushion formed by top lid sheets of the first end assembly and the second end assembly folding around ends of the first and second side tubes, and a central shipping cavity formed by:  the central sheet,  the first and second side tubes, and  the top lid sheets wrapping across ends of the first and second side tubes. 2. The method of claim 1, wherein the rollover shipping cushion is sized to fit snugly within a shipping box, the method further comprising: placing the rollover shipping cushion into the shipping box, wherein the rollover shipping cushion provides a space cushion between the item within the shipping cavity and all corners of the shipping box. 3. The method of claim 1, wherein the item is a physical-shock-sensitive item. 4. A method for packing an item, the method comprising: folding a single piece of foldable material composed of: a central sheet; a first end assembly and a second end assembly attached to the central sheet, wherein each end assembly includes: a top tube sheet composed of: a first tab and a second side extending away from a first side and a second side of the top tube sheet, and an end tab extending away from an end of the top tube sheet; and a top lid sheet; a first side assembly and a second side assembly attached to the central sheet, wherein each side assembly includes: a bottom tube sheet having a bottom tube locking tab, wherein the bottom tube sheet has a width that is narrow enough to slide through a bottom tube slot in the central sheet, and a side tube sheet having a first support tab and a second support tab; wherein, when folded, the single piece of foldable material forms a rollover shipping cushion that includes:  a first top tube and a second top tube formed from top tube sheets of the first and second end assemblies,  a first bottom tube and a second bottom tube formed from bottom tube sheets of the first and second side assemblies,  a first side tube and a second side tube formed from side tube sheets of the first side assembly and the second side assembly,  a first end cushion and a second end cushion formed by top lid sheets of the first end assembly and the second end assembly folding around ends of the first and second side tubes, and  a central shipping cavity formed by:  the central sheet,  the first and second side tubes, and  the top lid sheets wrapping across ends of  the first and second side tubes; and inserting the item into the central shipping cavity. 5. The method of claim 4, wherein the rollover shipping cushion is made of corrugated fiberboard. 6. A method for shipping an item, the method comprising: folding a single piece of foldable material composed of: a central sheet; a first end assembly and a second end assembly attached to the central sheet, wherein each end assembly includes: a top tube sheet composed of: a first tab and a second side extending away from a first side and a second side of the top tube sheet, and an end tab extending away from an end of the top tube sheet; and a top lid sheet; a first side assembly and a second side assembly attached to the central sheet, wherein each side assembly includes: a bottom tube sheet having a bottom tube locking tab, wherein the bottom tube sheet has a width that is narrow enough to slide through a bottom tube slot in the central sheet, and a side tube sheet having a first support tab and a second support tab; wherein, when folded, the single piece of foldable material forms a rollover shipping cushion that includes: a first top tube and a second top tube formed from top tube sheets of the first and second end assemblies, a first bottom tube and a second bottom tube formed from bottom tube sheets of the first and second side assemblies, a first side tube and a second side tube formed from side tube sheets of the first side assembly and the second side assembly, a first end cushion and a second end cushion formed by top lid sheets of the first end assembly and the second end assembly folding around ends of the first and second side tubes, and a central shipping cavity formed by:  the central sheet,  the first and second side tubes, and  the top lid sheets wrapping across ends of the first and second side tubes; inserting the item into the central shipping cavity; and shipping the item in the rollover shipping cushion. 7. The method of claim 6, wherein the rollover shipping cushion is made of corrugated fiberboard. 8. The method of claim 6, wherein the rollover shipping cushion is sized to fit snugly within a shipping box, the method further comprising: placing the rollover shipping cushion into the shipping box, wherein the rollover shipping cushion provides a space cushion between the item within the shipping cavity and all corners of the shipping box. 9. The method of claim 6, wherein the item is a physical-shock-sensitive item.