Highest performance plastic material, Nylon: flexible, resistant to impact and high temperatures, non crackable, and self-extinguishable. Safe, convenient, and lasts as long as you own your Clipper. Refillable from Gas, Flint & Flint System and enjoy an endless amount of lights!. This lighter had a fixed flame system ensuring a stable flame for the life of the lighter. The 30mm standard height flame mean you can light easily with Clipper!