Universal design fits most grocery store bags, 4gal trash bags, and 13 gal kitchen bags. Opening width is 10 - easy to also pair with a small broom. Height of both tools is 37. The tool is constructed of steel sheet metal. Light and easy to handle - total weight approx. 2.5 pounds. Powder coat paint finish for extra corrosion resistance in extreme heat or cold. Handle assembles with simple quick release buttons - no tooling required. Big or small, the YardPup holds it all. When doody calls, you need to keep your puppy's yard clean, tidy, and sanitary! The YardPup is designed to hold open standard grocery store type bags while the Little Paw helps you scoop, whisk or scrape the doggie doo into the bag.