Don't confuse this 550 Parachute Cord with the numerous copies on the market today. This is the official product used by the U.S. Military. It's military designation is MIL-C-5040 Type III and has a rated strength of 550 lbs. Our version, the authentic version, comes in white. The sturdy flexible “rope” is actually used in the construction of parachutes. The genuine “550 cord” has a flexible outer cover, which contains 7 nylon cords which when removed can be used for sewing or any other purpose that requires a strong thread. Our parachute cord is rated to hold 550 lbs before breaking, hence the name “550 cord”. The uses of this cord are limited only by the user’s imagination, from shelter construction to first aid. This is a must have for any survival kit. Our Military Specification 550 Parachute Cord comes in 50 foot lengths. When you are finished shopping, please visit www.eri-online.com.