The RAD Roller is a massage ball designed for back rolling with a central Spinal recess to protect the delicate bones and keep release where you want it, in the muscles.
Soft Green ideal for beginners & more sensitive areas
Original Blue ideal for deeper massage & digging into tougher areas
BPA, Latex & Plastic free
The denser the roller, the higher the intensity for digging into muscles so you can choose the one that's right for your needs. Combine with the RAD Block, found Here, for stabilized and elevated massage in hard to reach areas like shoulders and pecs.