Improve your execution of a variety of stretching and strengthening exercises with the Arc Barrel. Lightweight and portable, it is ideal for mat-based group classes, personal training and home use. Arc Barrels are made of high quality Evazote foam (EVA) and durable black vinyl padding over wood construction. Improper use of exercise equipment can cause serious injury. Use STOTT PILATES equipment only after use and safety training by certified instructors. By using Stott Pilates equipment, you take sole responsibility for proper use. You agree to release all retailers, distributors and manufacturers for injuries caused by your unsafe or improper use of Stott Pilates equipment. To prevent unsafe or improper use of Stott Pilates equipment and ensure proper maintenance and timely replacement of components, please read all assembly information thoroughly and follow the instructions in your instruction manual (English language not guaranteed). English language not guaranteed). www.stottpilates.com