DURABLE CONSTRUCTION. Made from genuine POLYWOOD lumber to withstand a range of environmental stressors, including hot sun, snowy winters, and strong coastal winds ECO-FRIENDLY. POLYWOOD lumber is a proprietary blend of plastics which includes recycled milk jugs and detergent bottles. EASY TO ASSEMBLE. Clear instructions and marine-grade quality hardware make assembly a snap EASY MAINTENANCE. Requires no painting, waterproofing, or staining. COMFORTABLE. A contoured seat and waterfall front increase comfort.For a deeper clean, you can mix 1/3 bleach with 2/3 water and wipe down your furniture with a rag