Our Digital Full-Color Doorknob bags are a cost-effective, leave-behind marketing tool with a 1.5" round hole that fits around most standard doorknobs. Add a vibrant, eye-catching imprint to these Custom 7.5" W x 9" H Digital Full-Color DoorKnob Bag 2.0 mil. plastic bags and fill the inside with brochures, samples, coupons, and more.