TrafficMaster Artificial grass 12 in. x 12 in. 9 piece set Interlocking tiles make an easy do it yourself project. Great for any outdoor setting whether for patio, deck, balcony, outdoor kitchen, poolside, gazebo, basements, etc. the options are endless – please be wary that installation on surfaces that heat up excessively from direct sunlight may impact performance. Installation on roof is not recommended as roofs exceed normal temperature compared to soil, ground, balcony, or patio – all artificial grass tends to heat up compared to natural grass; areas that are prone to excessive heat may impact performance. This product features a durable polyethylene pile with a polypropylene thatch, as well as drain holes for quick and easy draining perfect for outdoor use. Grass pile is approximately 1 tall and upon removing tiles from box, be sure to brush the pile by hand to speed up the opening and relaxation of the yarn bringing this product to its natural state. 1 set (9 tiles) make a perfect square, 2 sets would make a rectangle or L-shape, the choice is yours as interlocking tiles offer endless options. Be sure to watch our videos and all the product images for visual reference points and do contact us for installation questions or further feedback.