Kids Picnic Table is constructed from Greenwood. This durable, heavy weight kids picnic table is ideal for use in Preschools, Parks, Churches or your home. Greenwood is weather resistant so it will not rot, warp or corrode and easily cleans up after paint, dirt, crayons and the like. Simply hose down the table and you are good to go! Greenwood or recycled plastic lumber or poly wood or poly lumber or envirowood or eco lumber what do they all have in common? This product has many names but it all comes down to this the raw material is derived from post-consumer bottle waste, such as milk and detergent bottles. These products have exceptional resistance to corrosive substances such as oil, fuels, insects, fungi, salt spray, and other environmental stresses. It is worked just like wood and is well suited for many applications. The best part is that this is an earth-friendly product that promotes recycling for our planets future!