Perfectly fit your natural spine shape with ergonomically contoured design. Keep low-maintenance routines with waterproof all-weather Hdpe construction. Outstanding sun-proof material for long-lasting fade-resistant vibrant colors. Achieve reliable anti-float safety with heavy 46.5 lbs/21 kg weighted design. 5.5"-8.5"/14.5-22 cm recommended water depth creates areas perfect for baja shelves. Lowered seating helps you stay cool while tanning in shallow waters. Ensure chlorine and saltwater-friendly usage with 304 stainless steel screws. The stable construction ensures stable and reliable support. 2 reinforced crossbars for additional stability. Suitable for pool deck patio garden and backyard. Assembly needed. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.