Lifetime 4-foot commercial adjustable height folding tables are constructed of high-density polyethylene & have three adjustable height settings. They will not crack, chip or peel, & are built for indoor & outdoor use. The patented steel frame design provides a sturdy foundation & is protected with a powder- coated, weather-resistant finish. Designed with an innovative one-hand adjustment mechanism, this Lifetime 4-foot adjustable height table is backed by a ten-year warranty, & is perfect for your home, office, outdoor activities & more!.