ringmaster extra firm eva foam roller 33cmRINGMASTER EVA FOAM ROLLER Training can leave you sore but thats where the Ringmaster EVA Foam Roller comes in. Our foam rollers are made from an extra firm EVA foam to ensure a hard pressure self massage while still be lightweight, anti slip and durable. As an additional bonus, they are also eco friendly which is always a plus! Perfect for pain relief from tight muscles, they can also help improve balance, core stability, flexibility and strength.