- 100% PVC. - Contents: Instruction Manual, Pump. - Design: Logo. - Burst Resistance. - Suitable for: Core Strength, Improving Flexibility, Lower Back, Relieving Muscle Tension . - Weight Capacity: 500kg.. - UK size:55cm, FR Size:55cm, ES Size: 55cm, DE Size: 55cm, IT size: 55cm, US & CA Size: 55cm. - UK size:65cm, FR Size:65cm, ES Size: 65cm, DE Size: 65cm, IT size: 65cm, US & CA Size: 65cm. - UK size:75cm, FR Size:75cm, ES Size: 75cm, DE Size: 75cm, IT size: 75cm, US & CA Size: 75cm . - Code: UTRD593