Rocketman Enterprise uses only the best material in all of  their  products. Flame shields are made out of  blended  Kevlar and Nomex fabric. They are surged and sewn with Kevlar thread to prevent  fraying. If your looking to protect your parachute from heat and flames. Rocketman Flame shields will do the job.When making the selection on which one to purchase, make sure it will completely wrap around your parachute to get complete protection.