A Grade Teak Side Table / Bath Stool Shower Bench Patio Our Bath Stools are Impervious to the elements. Stainless Steel hardware used for durability. Mortose & tenon contruction. Eco-friendly benefits: Sustainably harvested teak. The teakwood has been KILN DRY before the furniture was made, so it will never shrink. Optional Sunbrella fabric cushions are available for additional cost with over 100 choices of colors.