16" Stability Exercise Training Core Fitness Wobble Rocker Disc Balance Board 16" Stability Exercise Training Core Fitness Wobble Rocker Disc Balance Board Brand new manufactured by OSG. Made by heavy duty Plastic An ideal way to train your way back to full fitness and to integrate balance into every aspect of sports performance and rehabilitation A strong plastic board ideal for restoring balance, building up leg muscles etc Always seek medical advise before use if buying following an accident or a return from injury