Attwood Marine Products Casting Seat White 98505wh Part Manufacturer: Attwood; Part Number: 98505WH; UPC: 022697985033 Fits a standard mount or swivel with a 5" x 5" mounting pattern Measures approximately 10 3/4" L x 14 1/2" W x 4 1/2" H overall Features a plastic base, white durable marine grade vinyl, and ergonomic foam padding Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included