Quick-assembly furniture design and a method of using the same

A furniture piece comprising:

• a plurality of panels;
• an internal frame disposed within each of said plurality of panels to provide structural integrity to each of said plurality of panels;
• an outer covering individually and fixedly disposed over the internal frame of each of said plurality of panels;
• wherein the internal frame is comprised of a hollow metal tubular body or a board;
• a plurality of couplers fixedly fastened on said internal frame to detachably couple the plurality of panels together;
• wherein each of said plurality of couplers includes a toggle latch;
• wherein said toggle latch has a hook bracket and a catch arm, wherein the catch arm is pivotable from a base plate;
• wherein the furniture piece is at least one selected from a group consisting of an armchair, a lounge chair, a sofa, a side table, and a coffee table.