Best Abdominal Roller Workout

Specification: Type: Four-Wheeled Application: AB Roller Coaster Function: Comprehensive Fitness Exercise,Belly/abdominal muscle For people: The Age 16 and Up Accessory: 1 x knee pad +1 x sport socks Feature: 100% Brand New , high quality four wheel ABS It makes no noise, no smell,e nvironment friendly No harm to your floor board Anti-slip foam hand grip,moisture wicking Strong stainless steel tube,durable use Package include:1x AB abdominal roller + 1 x small knee pad (  hassock  )+ 1 x socks