Tabla is a pair of drums. It consists of a small right hand drum called Dayan and a larger metal one called Bayan. The Dayan (right hand drum) is made of wood. The Bayan (left hand drum) generally made up of Copper, Brass; steel or iron with a nickel or chrome plate is the most common material. Both feature goatskin drumheads and camel leather straps to adjust the pitch. Black spot on tabla skin are a mixture of gum, soot, and iron filings. Your satisfaction is our priority. We want you to be 100% satisfied with our products and our service. That's why we offer a simple 30 days Money-Back Guarantee. If you are not completely satisfied with the purchase, simply send it back to us within 30 days of receiving it and we will issue you a full refund for your purchase - No Questions Asked! All i.