Available in 4 different loops sizes: 23.5cm, 27.25cm, 55cm & 100cm.AllCare Resistance Band Exercise Loops are suitable for everyone, these resistance loop bands are suitable for women and men of all fitness levels. Each exercise band offers a different level of resistance making it possible to work muscles throughout the whole body progressively and safely. Use any one band individually or multiple bands together to provide the right level of resistance for you. Used in Cross - Fit, Yoga, Pilates, Fitness, rehabilitation and ideal for increasing strength and mobility. Use of resistance bands can help to strengthen stabilising muscles which may help to prevent injury or assist greatly in injury rehabilitation. Lightweight and portable, Resistance Band Exercise Loops can be taken anywhere and offer an alternative to heavy and large weights. The resistance band exercise loops measure 5cm wide and the un-stretched length is 27.5cm. Features:Helps strengthen and rehabilitate muscles - Provides resistance to increase muscular strength - Five colour coded strengths - Band ranges from light to X-Extra Firm - Strength/Colours Available:Yellow - Light - 0.40mm - Red - Medium - 0.60mm - Green - Firm - 0.80mm - Blue - X-Firm - 1.00mm - Black - X Extra Firm - 1.20mm