Durable steel construction; extra tallU-shape power frame keeps gate firmly in place Optional third lock for added safety Child-proof; for children 6 to 24 months Dimensions: 29.5 to 51.5W x 36H inches. Preventing baby from taking his favorite perilous adventures the Munchkin Easy Close Metal Gate - Extra Tall/Wide keeps little ones just where they should be. Complete with an innovative locking system that baby can't get through but is super easy for adults. Meaning baby stays happy and you stay sane. Additional information: 6 inches taller than most standards gates and extends to 51.5 inches Extends up to 51.5 inches with extensions (included) Double lock system and optional third lock at base for added safety Extra-wide 22-inch walkthrough allows for easy in and out use Mounts with hardware or by force of pressure Can be placed almost anywhere from the bottom or top of stairs or between rooms Complete with a 1-year manufacturer's warranty About Munchkin Inc. For more than 20 years Munchkin Inc. has been developing innovative products that excite parents children and pets. The employees at Munchkin anticipate the needs of modern parents by paying attention to details and creating easy to use stylish products. Their goal as a company is to make life safer easier and more enjoyable for families.