Yaheetech 12 x 6'' High Density EVA Yoga Foam Roller Fitness Gym Pilate Rehab Massage Blue This 15cm diameter roller is made from high density EVA foam with textured dotted surface Waterproof, anti-slip, non-toxic, tasteless, odourless Perfect tool Made of high dense EVA foam, lightweight, soft to touch, rich elastic buffer, surface with massage floating point. The foam roller can eliminate muscle tension Color: blue