The 20 Gallon size has the extra capacity that fits 50% more trash which means less trips taking out the trash. It is the perfect can for the largest indoor trash bag in America. Glad Stainless Steel Step Trash Can offers CloroxTM antimicrobial protection of the lid and lid frame by inhibiting growth of odor causing bacteria for the life of the can. Save time by storing extra bags at the rear bag compartment of your Glad Stainless Steel Step Trash Can. You can easily dispense the trash bags from the sides while the can stays in place. With Glad Stainless Steel Step Trash Can, the complete lid and frame hinge and stay open while you take out the trash bag from the can. The Glad Stainless Steel Step Trash Can provides a convenient and quiet step operation with a controlled gentle closure. Fingerprint resistant so your can looks shiny and elegant all the time.