a support structure and method , designed to maintain a resealable plastic bag in an open position within a dishwasher through the washing and drying cycles , has at least two vertically extending support and restraining straps that may be engaged with like straps to form a resilient support framework . a plurality of mating dimples and protrusions offer controlled size adjustments , while maintaining the reliability of the structure . the structure is readily collapsible to a flat and compact structure prior to purchase and when not in use , and includes features to engage with the rack in the dishwasher to prevent the support and bag from being substantially relocated during the wash process .