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