Abstract: Compact collapsible containers wherein front and rear end plates having a semi-circular upper half and flexible right and left side plates having transverse grooves and long slots over the middle and upper parts, are hinged to a bottom box via flexible fold parts, wherein the front and the rear ends of the side plates are adapted to be fitted into grooves formed in the peripheries of the end plates, and wherein the top ends of the side plates and the central tops of the end plates are adapted to be connected in the top by means of a connection member by engaging engage pieces formed in the top ends of the side plates and engage projections attached to the central tops of the ends plates with engage cutouts and engage holes which are formed in the sides and the ends of the connection member.