Venting channels make liners easier to remove with no vacuum effect. Integrated cinches secure liners without the knots. Contoured base handles improve grip, reduce strain and improve efficiency. All-plastic, professional grade construction will not rust, chip or peel. Resists dents. Strong, snap-on lids (sold separately) are available for secure, stable stacking. Reinforced rims add strength and durability. Double-ribbed base increases stability and dragging capacity. Available easy twist-on, twist-off dolly (sold separately) provides safe mobility.