This physiotherapy foam roller is a simple and practical roller back deep tissue massage tool, which is mainly made of durable hard PVC pipe and soft EVA foam materials, and can be used for massage  your regular Physiotherapy exercises. While the bumps provide thumb effect, the flat surface works as palm. You can target specific body parts and trigger points to relieve strain. The roller not only helps in speedy healing of muscle tissue injuries but also improves blood  circulation.