Deluxe Green Foam Roller 46cm by Merrithew. Activate deep core muscles, improve balance and posture with our Short Foam Roller™ Deluxe. One-half the length of our original Foam Roller™ 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. Includes BONUS Exercise Guide.