Automatic Rebound Ab Abdominal Exercise Roller Wheel, Ab Roller Wheel Elbow Support Automatic Rebound Abdominal Wheel Abs Workout Equipment Automatic Rebound Fitness Wheel China Wholesale Abdominal Training Fitness Rebound Abdominal Wheel Equipment For Balance And Core Strength Steel Personal Double Support Abdominal Rebound Wheel, For Gym at 600. Description: Material: ABS Plastic. Color: As shown in the pictures. Gender: Unisex. Size: 21 x 20. 5 x 10. 5 cm 8. 27 x 8. 07 x 4. 13 inch. (Length x Height x Thickness). Features: Comfortable handles for a secure grip. Made from durable ABS Plastic for long lasting use. Portable and convenient for workouts on the go. Excellent for enhancing core strength and balance. Package Includes: 1 x Abdominal Wheel.