The Ahead SPG-BS3 Spinal-G Throne (Black Sparkle) is a Drum Throne, featuring a thick Memory Foam cushion, a black Velour Seat top, a Split-Seat, a Spring-Balanced Throne, a 3-Leg base, a threaded height adjustment, and black sparkle sides. Developed for players who require the higher level of support and comfort that an ergonomic Throne provides, the SPG-BS3 was designed to eliminate tail-bone compression and support the way your body moves by improving flexibility and fighting fatigue, hip, back and shoulder pain.