Dimensions: LxØ: 90x55 cm, Yellow. Safety first: The Gymnic Fitness Ball Gymnic Physio-Roll is distinguished by its unique shape and a high load capacity of up to 300 kg. Once inflated, the plug closure keeps the air inside the plastic ball, ensuring that no air escapes. Thanks to the innovative BRQ technology, the ball does not burst when damaged - instead, the air escapes slowly. The practical BRQ system works up to a maximum load of 120 kg. Color: Yellow. Material: Plastic. Applications: Coordination, dexterity, body awareness. Ball type: Motor skills ball. Diameter: 55 cm. Weight: 2.35 kg.