Sizes vary from compact indoor crates to large double kennels. Lengths range roughly from 32.5 inches to 71 inches, heights from the low 20s up to about 45 inches, and widths from about 18.5 to 38 inches, depending on the model.

Common maintenance features are pull-out trays to catch dirt and spills, waterproof or veneered surfaces for easy wiping, and removable or washable mats in several models.