Item #: CSBG1. The First Alert Indoor/Outdoor Balcony Guard is a simple way to prevent your "little explorers" from getting stuck or slipping through railings on porches, balconies, lofts and stairways. It can also help to prevent injury in a crib by preventing little arms and legs from getting stuck and will prevent the child's toys, bottles, and pacifiers from falling out. Made of durable, plastic coated mesh. Attaches in minutes with simple auto-locking plastic ties. Weight 12 oz. Protects an area 39 by 120 inches. Can by placed side by side to cover larger areas. 1 year manufacturer's limited warranty.