Delsey Luggage Helium Pilot 2.0 Lightweight Carry On 2 Wheel Rolling Suiter Upright, Black, 21 Inch Main material is durable bullet proof ballistic nylon backed with vapor barrier for long lasting use The highest level of security and protection is achieved through the exclusive Zip Securi Tech zipper Fully intergrated lightweight fiberglass frame provides superior strength TSA accepted combination lock is included