This is a set of New 7.15 and 8.50 Synthetic Multi Color print bongo heads as seen in the pictures by RSV Balmon percussion out of Colombia. These skins are made to be used on both Traditional and Comfort rim drums as per Balmon Percussion. Please, look at the pictures we have provided with the measurements of both skins 7.15 & 8.50   Please do make sure these skins will fit your drums as there will be no returns, exchanges or refunds, All Sales are final that why we provide you with measurements  Thank you for looking and have a great day.