AM00215 Size: Medium Features: -Dog door.-Appropriate for quite a lot of dog breeds.-Weather seal.-Magnetic closure.-Brush strip for weatherization.-Smallhas 4-means lock.-Super robust lightweight flaps.-3 year guarantee.-Small Appropriate as much as 14” shoulder height (cats, Yorkshire Terriers, Pekinese, Dachshund, and the like.).-Medium Appropriate as much as 18” shoulder height (Cats, Spaniels, Terriers, Poodles, and the like.).-Huge Appropriate as much as 25” shoulder height (Laboradors, German Shepards, and the like.). Choices: -To be had in Small, Medium and Huge sizes. Color/Finish: -Color: White. Specifications: -Medium and Huge doors contain a 2 means lock. Assembly Instructions: -Assembly required. Dimensions: -Overall Dimensions for Small Door: 10” H x 9.25” W x 2” D.-Dimensions for the Small Opening: nine” H x 8.25” W.-Overall Dimensions for Medium Door: 13.75” H x 11.38” W x 2” D.-Dimensions for Medium Opening: 11.75” H x 9.5” W.-Overall Dimensions for Huge Door: 17.38” H x 14.38” W x 2” D.-Dimensions for Huge Opening: 15.38” H x 12.5” W.