This Polywood square side table measures 18 inch and is made of recycled plastic and folds for easy storage. Recycle plastic for long life and maintenance free use. Recycled Plastic Polywood Lumber is made from over 90% post consumer plastic and High Density Polyethylene which is impervious to all types of weather conditions including rain, snow, salt water, sun and ice. Polywood has UV inhibitors to reduce fading. Polywood never splinters, warps or corrodes and is tougher and more resilient than treated wood. Shipped knocked down, with easy assembly required. Made of Recycled Plastic requires no maintenance.