Relieves muscle pain and improves blood flow. Surface texture for an effective massage. The textured surface stimulates the tissue before exercise and helps in post-exercise recovery. The varied backs help to reproduce the same feeling with the hands of a massage therapist. Dimensions: Length ≈ 33 cm / Height ≈ 14 cm / Density ≈ 135 kg / m3 / Weight ≈ 800 g