Factory customized your own brand/deisgn foam roller lightweight yet rugged solid core massage roller with EVA tread and triple grid 3D massage zones mimics the finger , palm , and thumb of a therapist’s hands Medium density muscle roller is comfortable to use – 初心者でも簡単に , しかし、それでも疲れた筋肉の軟組織層に浸透するのに効果的です . Soft enough to use …