Color: Blue Togu Dynair Ball Cushion Senso Plus, 39 cm: Many possibilities in a small space - The Togu Dynair Ball Cushion Senso Plus, 39 cm is the space-saving alternative to a large exercise ball. This ball seat cushion trains the muscles of the spine, keeps the intervertebral discs gently in motion, and allows for a back-friendly, dynamic sitting position. With regular use, upright posture can be optimized. In addition to passive training while sitting, the ball cushion is also suitable for many fitness exercises that help you burn calories and stay fit. Product details: Dimensions (HxØ): 7x39 cm, with needle valve for air regulation (pump not included), Material: Ruton, Color: Blue, Max. load capacity: 300 kg, Diameter: 39 cm, Filling: Air, Application area: Head and cervical spine, abdomen, neck, back, spine, Target group: Adults, Dimensions: Ø 39 cm.