Blue StyroFoam Exercise Roller For Back Pain

Excellent tool to relax tight muscles. My Physical therapist recommends. Has instruction brochure. Helped me with a sore muscle. Comes with instruction and exercises. Only used briefly for Physical Therapy. Works great for back issues.18 x 5 inches. styrofoam - dense. Back pain relief, work out essential, massage tight muscles, for people who sit, reduce muscle spasm and tightness. Exercise tool, roller for muscle tightness, fast shipper. pet and smoke free