A pallet-free bulk bin container comprising: an open-ended bulk bin made of a blank (B1) including four side walls , wherein a plurality of inside ledge panels and outside ledge panels extending from respective bottom portions of the four side walls are folded , to form a base frame forming pallet runners, wherein each of the outside ledge panels includes inner and outer panels foldably joined to one another by a fold line , wherein each of the respective outside ledge panels includes two identical cut outs which form fork access entries , wherein each of the respective outside ledge panels has free edges including first slots that are formed to engage with respective inside ledge panels , wherein each of the inside ledge panels includes inner and outer panels foldably joined to one another by a fold line , wherein each of the respective inside ledge panels includes two identical second slots that are formed to engage with the respective first slots ; a pair of channel inserts , wherein each channel insert is foldably divided into a central panel with two flaps each of which foldably extends from opposed longitudinal edges of the central panel via fold lines , wherein the channel inserts are inserted into and attached to the respective fork access entries of the base frame ; and a pair of center-filler supports , wherein each center-filler support is foldably divided into a central panel with four flaps in which two flaps foldably extend from longitudinal edges thereof and two flaps foldably extend from lateral edges thereof via respective fold lines , wherein each of the pair of center-filler supports is press fit or friction fit inside the bulk bin to fully enclose the bottom thereof. an open-ended bulk bin made of a blank (B1) including four side walls , wherein a plurality of inside ledge panels and outside ledge panels extending from respective bottom portions of the four side walls are folded , to form a base frame forming pallet runners, wherein each of the outside ledge panels includes inner and outer panels foldably joined to one another by a fold line , wherein each of the respective outside ledge panels includes two identical cut outs which form fork access entries , wherein each of the respective outside ledge panels has free edges including first slots that are formed to engage with respective inside ledge panels , wherein each of the inside ledge panels includes inner and outer panels foldably joined to one another by a fold line , wherein each of the respective inside ledge panels includes two identical second slots that are formed to engage with the respective first slots ; a pair of channel inserts , wherein each channel insert is foldably divided into a central panel with two flaps each of which foldably extends from opposed longitudinal edges of the central panel via fold lines , wherein the channel inserts are inserted into and attached to the respective fork access entries of the base frame ; and a pair of center-filler supports , wherein each center-filler support is foldably divided into a central panel with four flaps in which two flaps foldably extend from longitudinal edges thereof and two flaps foldably extend from lateral edges thereof via respective fold lines , wherein each of the pair of center-filler supports is press fit or friction fit inside the bulk bin to fully enclose the bottom thereof. <EOS>