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 that form four sides of the three-dimensional space, wherein the four panels 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 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 , 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 that form four sides of the three-dimensional space, wherein the four panels 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 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 , 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 , and the sheet spans from the first side of the opening to a second side of the opening. <EOS>