More capacity for storage or refuse collection.\n\n- Square shape offers up to 14% more capacity than round containers.\n- Tight-fitting lids help protect dry goods and other contents.\n- Nesting handles allow secure fit for side-by-side use.\n- Rounded corners and smooth contours are easy to clean.\n- Gray and White are USDA Meat & Poultry Equipment Group Listed and assist in complying with HACCP guidelines.\n- Certified to NSF Std. #2 (gray and white) and Std. #21.\n- 3517 combo has passed DOT #178.603, #178.606 and #178.608 criteria for shipping of solid regulated medical waste.\n- Snap-Lock® Lid introduces the ability to collect, transport and ship regulated waste in the same container.\n- 3530 Casters are non-marking.