COREFX ROCKER BOARDThe COREFX Rocker Board challenges your balance as it rocks side to side. Constructed of 8 cm EVA TPE cylinder base, allowing for a variety of foot, hand or sitting positions. Description The Rocker Board features a large textured non slip grippy surface, which is great for improving balance, coordination and strength. Features: Bi Directional Balance: Balance from side to side with the cylinder base. Designed to activate your core and improve your