Engineered handheld bin system constructed of modular components creating custom heights and increased interior volume greater than known handheld plastic containers. The bin includes a base, a frame, four corner members and a wall member having a plurality of side panels. In one embodiment, the four corner members interlockably couple the frame and the base. In one embodiment, the base includes a base frame defining a channel to selectively couple to the bottom edge of the wall member and the frame defines a wall member accepting slot to engage and compress a portion of the top edge of the wall member.