Activate deep core muscles, improve balance and posture with our Foam RollerÖ Deluxe. This high-performance, professional roller is made of top-quality closed-cell foam with a non-skid surface. Incorporate a variety of movements while sitting, standing and lying down. It is excellent for myofascial release and for working out muscle knots with self-massage. This performance-boosting prop also includes a downloadable Easy Start Poster.