Eva hollow yoga column, foam shaft balance bar (black) products are shipped according to the color or size of the main image on the product page. Color: black [Product material]: EVA outer + PVC inner tube, yoga column [Product specifications]: length 33 cm, diameter 14cm Medium Density Muscle Roller Comfortable to Use - Makes it easy to use for beginners yet still effectively penetrates the soft tissue layer of tired muscles Soft enough for use with lower back injury, sciatica or plantar fasciitis pain Treatment of muscle pain, improvement One of the best recovery tools for performance and flexibility. Rolling before and after exercise is part of a good stretching routine. Increases blood flow to the massaged area, flushing away stored lactic acid. Stretch overworked and tight muscles in the legs, arms, legs, and legs by performing a warm-up and Rolling during relaxation, provides instant benefits to hamstrings, IT band, glutes and calves, provides an excellent massage at home or in the gym, popular with runners, athletic athletes, yoga and Pilates students, swimmers, sports athletes love. or exercise therapy patients and helps those who are just doing normal fitness exercises Great for the arches of the feet and any part of the upper body except the spine or neck