The Stack-A-Pan Bedpans by Medline has a Stacking feature that helps save storage space. BEDPAN, STACK-A-PAN, GRAPHITE, 1 Count Fits over standard toilet when seat is raised Graduated in ounces and milliliters to 40-oz./1,200 ml Measured total volume of 55-oz./1,600 ml Bedpans measure 14L x 11W x 2.75"H (36 x 28 x 7 cm)