Abstract: The present disclosure provides a mattress foundation. The mattress foundation comprises one or more side frames, wherein the side frames comprise one or more spring buttons; and one or more end connectors, wherein the end connectors comprise a receiving opening and an aperture; wherein the end connectors are configured to removably couple to one or more side frames by inserting the side frames into the receiving opening and allow the spring buttons to be released into the apertures to form a coupled state of the side frame and the end connector; and wherein the side frames are uniform in dimension along a cross-section direction of the side frames.