Description:1. FLEXIBLE TIPS --- This updated castor set is equipped with flexible tips and circular beads, which not only can do acupressure deep tissue massage to comfort tired feet or relieve arch pain relief in plantar fasciitis, but also friendly to some sensitive feet is.^2. DEEP TISSUE MASSAGE --- These massage balls and the muscle roller loosen stuck and uncomfortable muscles, relieve fasciitis and sore muscles. Theyre also helpful in increasing blood flow and boosting your metabolism.^3.PORTABLE --- They are all small: the diameters of the balls are 6.5cm and 5cm, and the roller size is 16.5 * 7cm. It comes with a drawstring pouch for convenient storage and to take with you. You can take these massagers to many places such as gym, park, playground, hotel, classroom, etc.^4. SUPERIOR MATERIAL --- They are made of non-toxic, environmentally friendly PVC and TPE material, ensuring a skin-friendly, durable, easy-care and odor-free application.^5. READY TO USE --- This self massage kit can be used by different people such as: B. from ballet dancers, teachers, sales representatives, nurses, athletes, children, runners, etc. The package comes with 1 x foot massage roller, 1 x medium prickly ball, 1 x lacrosse ball, 1 x drawstring bag.^