These fiberglass bongos are manufactured using the same shell molds that have been used since the company was founded. The fiberglass shell provides excellent projection, a loud sound, and high durability, making it ideal for a wide range of genres. Sizes: 7 & 8.5 Shell: Fiberglass Hoop: Steel Comfort Hoop Head: Natural Hide Head (Genuine Leather) Accessories: Tuning wrench, tuning oil Color: White *Please note that product specifications may change without notice due to manufacturer circumstances. ~NATAL~ Founded in London, England in 1965 by Alan Sharp, a professional percussionist, Sharp started out by producing high-quality percussion instruments based on his own ideas. Sharp's congas, the world's first to use fiberglass, gained popularity for their clear, loud sound. They are widely known for being used by famous British rock musicians such as The Rolling Stones and Led Zeppelin.