CanDo Heavy Duty EVA Foam Rollers feature premium EVA foam that provides both firmness and a soft comfortable touch. The extra firm closed-cell foam provides durability for long-term use, preventing moisture and bacteria from passing through the foam's surface. The marbled blue finish makes these rollers the an attractive addition to any professional clinic or personal home environment. Easy clean up makes these rollers great for multi-user environments like gyms or physical therapy clinics. EVA rollers are the perfect myofascial release tool for CrossFit, Yoga, Pilates, and other exercise activities. Myofascial release helps increase blood flow and the mobility of the fascia tissue. This action over time eliminates pain, restores motion and maximizes sporting performance. Use foam rollers to reduce post workout soreness in the back, legs, neck, IT-Band, and shoulder muscles. These premium EVA foam cylinders are also perfect for positioning, balance, muscle posture re-education, spinal stabilization, and other strengthening and range of motion exercises.Use round rollers to enhance your workout by making push- ups, planks and other exercises more challenging. After a workout, use round rollers to give yourself a deep tissue massage, slowly rolling over various areas of your body. You break up scar tissue, and speed up workout recovery. Round rollers offer progressive exercise sequences - users can graduate from an easier (smaller diameter) roller to a more difficult (larger diameter) roller. Half round rollers are a great tool for ankle stretching and knee rehabilitation. You can also use them as a rocker board by standing on its flat side to improve your balance. The diameter refers to the width of the half-round profile.The CanDo Heavy Duty EVA Foam Rollers are available in 36" and 12" lengths with either a round (circular) or half-round (semi-circular) profile. The diameter of each roller is 6 inches. The EVA foam is durable enough to be used by large adults and active children. Soft design make these great for beginners although they are perfect for all body types from beginners to professional athletes. Use them alone or with other exercisers such as CanDo exercise bands, tubing, weights and balls. Choose the roller that is right for you!