Under Sink Organizers and Storage 19" W x 21" D, 2 Tier Pull Out Cabinet Organizer with Hard Close, T3210P277246DURABLE AND SMOOTH OPERATION Our under sink organizers and storage are made from solid birch and oak, ensuring long lasting durability and seamless functionality. The 100 pound load bearing, full tension sliding system features a pull out design with a hard closing feature for easy access to the drawer storage organizer. The slide rail uses thickened double fixed steel slide rails and 2 U shaped steel brackets, which greatly improves product stability