Healthcave Spike Foam Roller is made from EVA material will not lose its shape after heavy use and is waterproof, anti-slip, non-toxic, odourless. The most popular pilates yoga balance trainer. Textured dotted surface which is soft to touch knobs for added comfort. Helps to alleviate soft tissue tightness of legs, lower back, glutes, hamstrings, Increase blood flow circulation.This Spike Foam Roller for Exercise is great for releasing muscle tension and tightness after training for faster recovery, reduced soreness and improved flexibility. Healthcave Fitness Spike Roller have multiple uses great for sore muscles, balance, flexibility, physical therapy, yoga, and many different strength training exercises.Healthcave Spike Foam Roller is "Must Have" for Fitness, Weightlifting & Cross Pilates, fitness exercises, physiotherapy, rehabilitation. Deep Tissue Foam Exercise Roller for Strengthening, Balance Exercises, Deep Muscle Massage, Rehab and MyoFacial Release. Loved by runners , exercise athletes , yoga and Pilates students , swimmers , physical or sports therapy patients , and aid those just doing a normal fitness workout.