The Life Fitness Sled with Strap is a heavy-duty weight sled constructed from durable nylon for use on Astroturf, carpet or any rubber or tile flooring. Just like a traditional metal sled, this sled can be used for speed and conditioning but, with a maximum weight capacity of 600lbs, can handle the heavy stuff too. The included upper body strap enables athletes to also perform a variety of upper body exercises, such as backward sled pulls, sled flys and sled presses. Made in America Made of Thick Heavy Duty Nylon Weight Capacity 600 lbs Nylon Sled 22" (Length) by 19.5" (Width) 92" Upper Body Pulling Strap With Handles Do not use on concrete, asphalt or rough textured surfaces. Weight plates not included