The Remo Fiberskyn® 3 head is pre-tuned on a 0.25 inch thick ACOUSTICON™ shell which will provide years of carefree play. This 12 inch diameter hand drum is sturdy and durable; the perfect travel companion, for outdoors and inside. You can create a sound that will hold its own in any drum circle; great for playing with your hand. There is a thumb notch for comfort. While cross bracing is not necessary, there are pre-drilled holes if you want to add your own. The over-all size is 12 inch diameter by 2.5 inches tall.