Instant purchase is welcome. This is a 4-wheel design, providing stability for abdominal roller exercises. Includes a mini mat for your knees. The handles are removable for compact storage. Condition: Used - Scratches on the handles and minor scratches elsewhere, but the spring function and overall operation are not affected. Regarding your purchase: Please read the store's profile before purchasing. We kindly request that customers understand the profile information and the above details before making a purchase. #Training #TrainingGear #MuscleTraining #Muscles #Weights #Tubes #Roller