Specifications:- Bass Drum Size(Dia.xThickness): 12"" x 10"" (30.5 x 25.4 cm)- Tom Drum Size(Dia.xThickness): 8"" x 5 1/2"" (20.3 x 14 cm), 8"" x 5"" (20.3 x 12.7 cm)- Tom Drum Holder Tube Diameter: 5/16"" (8 mm)- Cymbal Diameter: 8"" (20.3 cm)- Stool Size(Dia. x Height): 9 1/16"" x 12 5/8"" (23 x 32 cm)- Drum Material: Maple Compound Board and Pvc- Drumsticks Material: Maple Compound Board- Frame Surface Treatment: Electroplating- Color: Black- Net Weight: 15.9 Lbs (7.2 kg). Package Contents:- 1 Set of 3pcs Kid Drums- 1x Cymbal- 1 Pair of Drumsticks for Kids- 1 Pair of Drumsticks for Adults- 1 Set of Installation Accessories- 1x Pedal- 1x Stool- 1x Manual