Not only is the 3-in-1 6-Panel Arched Decor Metal Superyard from Toddleroo by North States a large playpen for babies and toddlers, it can also act as an extra-wide barrier with the use of the included wall mount kit. Fits openings up to 151" wide. When used as a barrier, the hardware should be mounted into solid materials such as wood, metal or a stud behind sheetrock. Follow the step-by-step instructions provided for easy installation. The wall mounts secure the panels from wall to wall and fit over crown molding with ease. Our 3-in-1 6-Panel Metal Superyard is versatile and can be used as a play fence for babies and toddlers blocking off fireplaces, Christmas trees or displays. This makes it an excellent choice for parents in need of a portable play yard for babies and toddlers. If you'd like to increase the overall size, two-panel extensions are available separately. When setting the 3-in-1 Metal Superyard up as an enclosure an unlimited number of panels may be used. When setting up as a barrier, the maximum number of panels is twelve. Safe for use with children 6 to 24 months of age.