Gawharet El Fan Sombaty Doumbek Darbuka Skin GEF Sombaty Spear Head Original Gawharet El Fan Clear synthetic Skin with the company signature. Fits the GEF Sombaty drums. Original Gawharet El Fan Transparent Skin with the company signature. This skin will fit to Gawharet El Fan sombaty drums. The size of the Darbuka skin is about 9.6" (24 Centimeter).