Windsor's Genuine Grade A Teak Lutyens Coffee Table/Backless Bench, from Indonesian Plantation Teak, 47"/40lbs, 5 Year Warranty, World's Best Outdoor Furniture, Teak Lasts A Lifetime! NOTE: If a Seller ONLY advertises "Solid or Natural Teak" it's probably not Grade A Teak but rather Grade B or C. Premium Grade A Teak is harvested after 45 years and creates a much heavier concentration of Teak Oil, which is the Magic Ingredient in Teak that makes it "waterproof". Thus it's longevity outdoors. Plus, Only the Hearts of the tree are used for Grade A Teak Furniture...Not the Outter Sap Wood part of the tree.... .Thereby creating a Better Quality Furniture with less Knots and imperfections and no signs of sap Also, if a Merchant advertises "Grade A Teak" and the furniture has alot of knots, imperfections, and signs of sap in the wood...Most likely the Teak Isn't Grade A In addition, from our experience when lesser Grades of Teak are used.... Poor Workmanship usually follows suit...exhibited by poorly fitted pieces of teak and improper alignment throughout the teak furniture. If you can't see the teak furniture in person...the Customer Reviews are the next best thing! Invest in Authentic Grade A Teak Furniture!