Balancing Disk

Wobbly balance stability disc cushion engages core muscles, creating a more difficult and effective workout Ideal for yoga, Pilates, and other everyday fitness routines; helps improve core strength, stability, muscle tone, balance, and posture Also great for sitting, whether working long hours in front of a computer Made of durable PVC in a sleek black color; ships inflated; easy-to-use pump included for making adjustments Measures 13 by 13 by 2 inches