Made of HDPE material, the adjustable Adirondack chair can withstand a variety of climates including hot sun, snow, and strong coastal winds without denting, cracking, peeling, or rotting. A good choice for use in gardens, decks, lawns, backyards, fire pits, and other outdoor recreation areas. This adjustable backrest Adirondack chair with 3 backrest positions, 110°, 120°, and 130° just adjusts easily with the armrests. It can reduce the fatigue level of sedentary, protect the waist, and reduce stress and muscle strain. If you are looking for a stylish and comfortable outdoor chair, this is what you need.