Body: Aluminium Playing surface : Goat, calf Tuning: patented tuning system with 8 screws Diameter: 28 & 30 cm Bag and tuning key included With fish skin: 28 cm-  450 € With fish skin: 30 cm- 550 € With double skin (fish & goat): 28 cm- 500 € With double skin (fish & goat): 30 cm- 600 € The