Beautiful Mahogany Classical Guitar Back and Side Set For Guitar Makers Dimensions: Backs inches 21 10/16 x 8 11/16 x 3/16 inches (550mm x 220mm x 4.5mm) (2PCS) Sides 33 7/16 x 5 2/16 x 3/16 inches (850mm x 130mm x 4.5mm) (2PCS) Quality Guaranteed | Superb Sets