Color Block Duffels, by Doggie Walk Bags, measure 61/2 in. x 41/2 in. x 11/2 in. and feature bright, bold colors and charming polka dots, a mod square shape and scented dogbag tie handle bags, the company states. The shiny carabiner makes clipping on even easier, the hook and loop strip wraps around any leash, belt or strap, and it's finished with a custom zipper for a smoother pull, according to the manufacturer.