Nylon Constructed of 1000D Nylon for extra durability and water resistance MOLLE-Compatible webbing on the sides allows you to attach other gear Approx. dimensions 11” x 9” x 6” The thick padded interior has a soft fleece lining, protecting your helmet from scratches or impact, Adjustable interior straps to keep your helmet in place This helmet bag is ideal for storing: Ballistic ATE helmets FAST/OPS-CORE helmets ACH/MICH helmet Hard hats Gas masks If you are trying to keep your gear organized. This is your go-to helmet bag; it is designed to keep your helmet safe while still leaving room for a water bottle and some other small items; it is MOLLE compatible so that you can attach any first aid kits to the side webbing. This helmet bag fully unzips and flattens to pack in your helmet more efficiently and has hold-downs that work well for anything the right size; the interior zippered pouches are a nice extra touch. They are padded and have a soft interior lining that will protect your helmet from scratches and impact. In addition, it features internal adjustable straps designed to keep your helmet in place.