Black Resistance Tube for a high resistance of 12-14 KG; ideal for beginners. VERSATILE: Toning tubes are great for a variety of workout routines and fitness levels like Crossfit Training, Pilates, Yoga, Physiotherapy, for strengthening and toning upper or lower body muscles, or even for targeting specific sets of muscles like hips, glutes or more. ECO-FRIENDLY MATERIAL: Our resistance tube made from latex and best quality TPR foam. It also comes with a Cloth cover. COMFORTABLE Our Crossfit training tubes feature cushioned foam handles for that feeling of comfort and security when you re sweating it out!