The FB47410 floor frame kit from arrow fits the 4 by 7-feet and 4 by 10-feet arrow yardsaver buildings. Perfect for a plywood floor wood is not included, this durable kit features steel tabs that fold down and get inserted into the shed frame. Once a flooring finish is installed, the FB47410 will help keep the items in your yardsaver away from ground moisture. The floor frame kit is easy to install.