The LPM199AW Mini Tunable Bongos are modeled after the world famous LPGeneration II Bongos. Constructed of kiln dried, environmentallyfriendly Siam Oak. They feature 3-1/2" and 4-1/8" calf skin heads,chrome-plated hardware and miniature Comfort Curve II rims. Rubber tipsprevent them from marring any surface. 4" tall bongos are fully tunableand produce quality tones.