Tama HTS5BCN 1st Chair Glide-Rider Drum Throne - Seat Only - Cloth TopThe Glide Rider is a saddle type seat with molded urethane foam cushion that will hold its shape for years. A 12mm thick plywood base below the seat cushion provides extra strength and security. Tama's newly designed cloth top features a special fabric material that wicks away perspiration and prevents drummers from slipping while playing. Upgrade or replace your current worn out seat. Fits base pipes from 19. 1mm to 25. 4mm (0. 75" to 1") in diameter.