Enormously strong, durable, lightweight, portable, and incredibly versatile and adjust in seconds, making them perfect for bringing the world of gymnastics strength training into your own workouts at the gym, at home or even outside! * CFF Rings can be used anywhere there is any kind of an overhead support (high bar, chin-up bar, or even a tree branch). * The rings themselves are black, textured and made of a high impact polycarbonate resin. This allows them to be very lightweight and yet still extremely strong; rated at over 1000lbs each! For Extra Grip, we have include 2 oz of chalk; An Amazon Exclusive! * The strap cam buckles are specially designed to adjust strap length within seconds - this is a very nice feature; no more wrestling with d-rings * The straps are a hot pink high tensile strength nylon and 18" long to accommodate handstand work. The extra wide straps and cam buckles are also rated at over 1000lbs each; giving you an incredibly tough and versatile workout tool. Straps have incremental markings for easy adjusting! 1500lb Capacity per strap!