Iron Neck Hip and Glute Loops come in three different resistance levels, making them a great full-body training option for individuals of any size and experience level. Cost-effective and easy to use in your home, at the gym, or in the office, the versatility of these quality resistance loops also makes them a wise option for personal trainers or owners of a large-scale training facility, where a full package of bands can easily meet the needs of multiple athletes. Each loop is 9" long.