Increase your acceleration with these speed training parachutes by Crown Sporting Goods. These black nylon parachutes are available in two sizes for a variety of training styles. The 48" style is great for medium-to-long distance running and resists 15-20 lbs., and the 56" style is perfect for short distance runs and sprints and resists 23-35 lbs. These parachutes come with everything you need to get started. Attached to the parachute is a velcro belt that secures tightly for waists between 31" to 43". Each chute comes in a drawstring bag, so it's easy to take with you anywhere and won't tangle between uses.