A pallet-free bulk bin container comprising: an open-ended bulk bin made of a blank including four side walls (20a, 20b, 20c, 20d), wherein a plurality of inside ledge panels (36a, 36b) and outside ledge panels (34a, 34b) 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 (34a, 34b) includes inner and outer panels (38a, 38b, 38c, 38d) foldably joined to one another by a fold line, wherein each of the respective outside ledge panels (34a, 34b) includes two identical cut outs (22a', 22b', 22c', 22d') which form fork access entries (22a, 22b, 22c, 22d), wherein each of the respective outside ledge panels (34a, 34b) has free edges including first slots (44a, 44b, 44c, 44d) that are formed to engage with respective inside ledge panels (36a, 36b), wherein each of the inside ledge panels (36a, 36b) includes inner and outer panels (42a, 42b, 42c, 42d) foldably joined to one another by a fold line, wherein each of the respective inside ledge panels (36a, 36b) includes two identical second slots (46a, 46b, 46c, 46d) that are formed to engage with the respective first slots (44a, 44b, 44c, 44d); a pair of channel inserts (14a, 14a', 14b, 14b'), wherein each channel insert (14a, 14a', 14b, 14b') is foldably divided into a central panel (50a', 50b') with two flaps (54a', 54b', 54c', 54d') each of which foldably extends from opposed longitudinal edges of the central panel (50a', 50b') via fold lines (52a, 52b, 52c, 52d), wherein the channel inserts are inserted into and attached to the respective fork access entries (22a, 22b, 22c, 22d) of the base frame; and a pair of center-filler supports (16a, 16a', 16b, 16b'), wherein each center-filler support (16a, 16a', 16b, 16b') is foldably divided into a central panel (60a', 60b') with four flaps (62a', 62b', 62c', 62d', 66a', 66b', 66c', 66d') in which two flaps (62a', 62b', 66a', 66b') foldably extend from longitudinal edges thereof and two flaps (62c', 62d', 66c', 66d') foldably extend from lateral edges thereof via respective fold lines (64a, 64b, 64c, 64d, 68a, 68b, 68c, 68d), wherein each of the pair of center-filler supports (16a, 16a', 16b, 16b') 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 including four side walls (20a, 20b, 20c, 20d), wherein a plurality of inside ledge panels (36a, 36b) and outside ledge panels (34a, 34b) 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 (34a, 34b) includes inner and outer panels (38a, 38b, 38c, 38d) foldably joined to one another by a fold line, wherein each of the respective outside ledge panels (34a, 34b) includes two identical cut outs (22a', 22b', 22c', 22d') which form fork access entries (22a, 22b, 22c, 22d), wherein each of the respective outside ledge panels (34a, 34b) has free edges including first slots (44a, 44b, 44c, 44d) that are formed to engage with respective inside ledge panels (36a, 36b), wherein each of the inside ledge panels (36a, 36b) includes inner and outer panels (42a, 42b, 42c, 42d) foldably joined to one another by a fold line, wherein each of the respective inside ledge panels (36a, 36b) includes two identical second slots (46a, 46b, 46c, 46d) that are formed to engage with the respective first slots (44a, 44b, 44c, 44d); a pair of channel inserts (14a, 14a', 14b, 14b'), wherein each channel insert (14a, 14a', 14b, 14b') is foldably divided into a central panel (50a', 50b') with two flaps (54a', 54b', 54c', 54d') each of which foldably extends from opposed longitudinal edges of the central panel (50a', 50b') via fold lines (52a, 52b, 52c, 52d), wherein the channel inserts are inserted into and attached to the respective fork access entries (22a, 22b, 22c, 22d) of the base frame; and a pair of center-filler supports (16a, 16a', 16b, 16b'), wherein each center-filler support (16a, 16a', 16b, 16b') is foldably divided into a central panel (60a', 60b') with four flaps (62a', 62b', 62c', 62d', 66a', 66b', 66c', 66d') in which two flaps (62a', 62b', 66a', 66b') foldably extend from longitudinal edges thereof and two flaps (62c', 62d', 66c', 66d') foldably extend from lateral edges thereof via respective fold lines (64a, 64b, 64c, 64d, 68a, 68b, 68c, 68d), wherein each of the pair of center-filler supports (16a, 16a', 16b, 16b') is press fit or friction fit inside the bulk bin to fully enclose the bottom thereof.