A retention packaging system, comprising: a frame including a first panel, a second panel, and a sheet panel, wherein the frame is configured to be folded from an unfolded state to a first folded state and from the first folded state to a second folded state, wherein, when the frame is in the first folded state, the frame forms a three-dimensional space having an opening with the first panel being one side of the three-dimensional space and the sheet panel is foldably connected to the first panel at a first side of the opening; wherein the frame includes a bottom panel that forms a bottom of the three-dimensional space and four panels (106, 110, 116, 124) that form four sides of the three-dimensional space, wherein the four panels (106, 110, 116, 124) include the first panel, a first side panel, a back panel, and a second side panel, and wherein the second panel is rotatably connected to the back panel at the second side of the opening; a sheet attached to the frame across at least a portion of the sheet panel; and an attachment zone having a first portion located on the second panel and at a second portion located on at least one attachment flap (142, 146) foldably connected to the second panel; wherein, when the frame is in the second folded state: an attachment end of the sheet panel is attached to the attachment zone with a first side of the attachment end attached to the first portion of the attachment zone on the second panel and a second side of the attachment end attached to the second portion of the attachment zone on the at least one attachment flap (142, 146), and the sheet spans from the first side of the opening to a second side of the opening. a frame including a first panel, a second panel, and a sheet panel, wherein the frame is configured to be folded from an unfolded state to a first folded state and from the first folded state to a second folded state, wherein, when the frame is in the first folded state, the frame forms a three-dimensional space having an opening with the first panel being one side of the three-dimensional space and the sheet panel is foldably connected to the first panel at a first side of the opening; wherein the frame includes a bottom panel that forms a bottom of the three-dimensional space and four panels (106, 110, 116, 124) that form four sides of the three-dimensional space, wherein the four panels (106, 110, 116, 124) include the first panel, a first side panel, a back panel, and a second side panel, and wherein the second panel is rotatably connected to the back panel at the second side of the opening; a sheet attached to the frame across at least a portion of the sheet panel; and an attachment zone having a first portion located on the second panel and at a second portion located on at least one attachment flap (142, 146) foldably connected to the second panel; wherein, when the frame is in the second folded state: an attachment end of the sheet panel is attached to the attachment zone with a first side of the attachment end attached to the first portion of the attachment zone on the second panel and a second side of the attachment end attached to the second portion of the attachment zone on the at least one attachment flap (142, 146), and the sheet spans from the first side of the opening to a second side of the opening. an attachment end of the sheet panel is attached to the attachment zone with a first side of the attachment end attached to the first portion of the attachment zone on the second panel and a second side of the attachment end attached to the second portion of the attachment zone on the at least one attachment flap (142, 146), and the sheet spans from the first side of the opening to a second side of the opening.