6ft (1.8m) wide. Four post seat kit

6ft wide, 11 inches deep and 3ft total height before digging in (1.8m w x 275mm d x 900mm h). Designed to be buried approx 12 inches in the ground depending on your desired seat height. The sides are made up of 2 5x5inch (125mm) posts with a diamond top fastened together with a length of 3x2 (75x50mm). The seat is a single section of 10x3 (250x75mm) oak. Just bury the sides in the ground and the seat sits on the 3x2 ledges, fasten in place with the supplied coach screws in the pre-drilled holes. A very solid long lasting seat with a planed finish and bevelled seat edges.