2025 New Ab Roller Wheel with Knee Mat &Timer, Automatic Rebound Abdominal WheelSpecification?Material: Alloy Steel+Plastic?+RubberColor?Orange/BlueFunction: works your musclesWeight: 3.5 Pounds/1600 gramsSize: 40cm x 15cm x 17cm/15.74 x 5.9 x 6.69 inchesWhy choose us?1.The surface of this ab roller wheel is natural rubber, which makes very little noice and will not disturb others.2.The ab roller wheels are made of high-density rubber material to ensure it withstands even the most intense workout sessions, which will not damage the floor.3.A strong core will help you perform a long list of daily movements with greater ease and a reduced risk of injury. It can support up to 800lbs.4.It works your muscles and joints effectively and helps with overall body exercise and weight loss.Package included:1 x Ab roller wheels1x Timer1x Mat