With classic chrome hardware, Mariano bongos are a 7"/8.5" pairing. Gon Bops Mariano drums are the sound of Cuba. Since 1954, Gon Bops has been crafting some of the finest Latin instruments in the world. Named after founder Mariano Bobadilla, Gon Bops Mariano Congas & Bongos continue that tradition of authentic Cuban look and sound. Designed with genuine calfskin heads, select lightweight Durian wood and traditional hardware, these wonderful drums offer full-bodied authentic sound—from big, resonant open tone to crisp slaps and solid bass strokes.