The Pilates Ring provides resistance when compressed which combined with specific exercises and positions can help improve core strength, flexibility, movement and wide range of muscle groups.The doubled handled ring includes 2 foam padded internal and external handles for added comfort when exercising and increasing the amount off possible exercised that can be completed."- Inner/outer contoured handles - Tone, increase flexibility & lengthen muscles- Targets thighs, buttocks, abs, arms & chest- Resistance conditioning"