45cm [ Stretching Workout Roller ] Back Foam Roller is ideal for home or gym, suitable for legs, arms, back, hips and feet. It helps stretch overworked and tight muscles. [ Multiple Usage ] Ideal for yoga, Pilates and other sports, Foam Rollers for Muscle Massage is suitable for runners and swimmers as a practical warm-up tool. [ Beginner-friendly Design ] Foam Roller for Exercise is ideal for relaxing muscles in different body parts, friendly to beginners. It adopts a medium-density design. Foam Roller for Legs is convenient to carry, suitable for daily use and athlete training. It can help to improve the flexibility of your body. [ Practical Gift ] Helping improve your strength, Body Roller for Muscles Deep Tissue is an exquisite gift for your friends and family, reducing the risk of injury.