Mapex Double Brace Thick Cushion - Heavy Duty Drum Throne The larger size and added cushioning of the 14 wide x 4 round seat provides a dramatic increase in comfort as young players grow and spend more time sitting behind their drums. Apex Throne Round Top The larger size and added cushioning of the 14 wide x 4 round seat provides a dramatic increase in comfort as young players grow and spend more time sitting behind their drums. 14 Wide x 4 Thick Round Cushioned Seat Soft but Durable Vinyl Covering