Efurden adirondack chair is made of Poly Lumber material, waterproof and heat resistant, you can keep it outdoor in all kinds of weather including hot sun, heavy snow, torrential rain & strong winds. The chair can hold the capacity up to 350lbs. Our fire pits chairs have a straight back design with a deeper seat that's easy to slide into. The finish look is so alike natural wood that may mislead you at your first sight of them.The curved wave design of the back support will makes your patios, porches and garden vividly. The fire pit chair is stable and easy to assemble. you just need to rub a dry cloth with water and gently wipe the chair with it when it is dirty. The durable patio chair will provide years of use with minimal care. Let's take Efurden adirondack chair and enjoy the outdoor activity time with family and friends.