All products in the Tenjam Session Series incorporate Recovered Coastal Plastic (RCP) and are suitable for indoor and outdoor use. These products have a hard outer shell with supreme durability and stain resistance. Bring on the saltwater, sand, sun, rain, and snow—these products can take it. The products have been run through multiple tests including UV color stability, impact resistance, weight capacity, and stain resistance tests. You can be confident that these products will hold up and look great for many years in high traffic spaces. You can leave the Session Series products outdoors year round and in any environment as they withstand sun, sand, rain, snow, and salt. Use between indoor and outdoor spaces. Material is rust proof and strong and can withstand hundreds of chemicals, body oils, and fluids. Session Series meets California Technical Bulletin 117-2013 (a.k.a TB117-2013 & CAL117-2013).