Product details:

Wise 8WD1007 Captains Chair & Pedestal Combo Features 8WP23-15S ABYC Class AD Driver 15 inch Fixed Height Pedestal. Chair is Constructed with Thick Wall Rotational Molded Plastic Frame with Pre-Mounted Plastic Injection Molded Mounting Plate with T-Nut Inserts. Snap on and Off Cushions have High Compression Foam Padding with Mesh Underlay to Expel Moisture. UV and Mildew Treated Marine Grade Vinyl with Embossed Vinyl Surface. Pedestal Features Polished Cast Aluminum 9 inch Base Plate with Recessed Knurled Mounting Holes. 2 7/8 inch Diameter Thick Wall Extruded Aluminum Post. Cast Aluminum Seat Mount Swivels 360 Degrees and Locks Down Tight.