Description: Convenience to massage by yourself at any time to relief fatigue. Can massage your back to relaxes the muscles and improve circulation of blood. Relax tensed muscles after exercise. Can massage obese part. Strengthen metabolism. Eliminate moisture and fat. Suitable for Massage, Reflexology, Yoga, Pilates Great for massaging your palms, feet, ankle, arms, neck and back, etc. Can be put on the palms and soles of the feet or body parts, pressuring and extruding to stimulate the skin. Specification: Material: PVC Length: approx. 16.5cm/6.5 inch Diameter: approx. 7cm/ 2.8 inch Color: Oragne Package Includes: 1 x Double Lacrosse Balls Note: Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you!