Foldable reusable shipping carton

Claim 1

An improved foldable reusable shipping carton comprising a unitary blank of fibrous material interconnected to generally rectangular configuration, and including: a bottom wall formed by a plurality of interconnected overlapping flap members; first and second side walls and first and second end walls extending from said bottom wall, an mutually interconnected to form an enclosure, said end walls and one of said side walls having fold lines therein for collapsing said side walls against said bottom in substantially coplanar condition; one of said side walls having an upper fold edge, and a lid member corresponding in size and configuration to said bottom wall interconnected to said side wall at said fold edge; the other of said side walls having an upper fold edge and a foldable flap attached thereto and adapted to overlie said lid member in closed condition, said last mentioned flap and lid member having aligned openings therein for the reception of an exapandable clip element to maintain said carton in closed erected condition; said bottom wall having a third alignable opening therein, said carton, in folded condition, having said lid member overlying said bottom wall to align the opening therein with said last mentioned opening in said bottom wall for reception of said clip to maintain said folded condition.