HIGH QUALITY MATERIAL: Made of high toughness engineering plastic and thickening wheel frame.
AUTOMATIC REBOUND DESIGN: When pushed to a compact state, the abdominal roller wheel will be rebounded to reset easily and to exercise your abdominal muscles.
ERGONOMIC 4 WHEEL SYSTEM: With four wheels system,the roller wheel is not easy to roll over, provides more stable and safe. Weight capacity: 200kg/441lb.
ANTI-SLIP DESIGN: Anti-slip textured wheels with strong grip. TPE soft wheel, not to damage the floor.