Tree Cookies can be used for just about anything you can imagine, including flooring! This flooring is made from the same durable and rot resistant locust as all of our products. Install in a similar manner to any modular paving material, using gravel and stone dust or sand as a base material. Our price is calculated per square foot. Simply measure the area you want to install tree cookie flooring on and order the quantity needed. For instance, for 50 square feet of flooring I would order 50 units of tree cookie flooring. Installation materials such as gravel or stone dust is not included with this product.