BASI Systems Pilates Sitting BoxThe perfect support for enhanced stability and versatility in your Pilates practice. Elevate your Pilates workouts with the BASI Systems Pilates Sitting Box, a must have accessory for reformers, chairs, and mat exercises. This premium quality box provides the ideal combination of support and versatility, helping you perform a wide range of exercises with proper alignment and increased challenge. Whether you're working on seated exercises, stretches,