New ALL STAR Helmet Fence Bag Holds 8 Helmets Carry bag Black Size:OSFA log number of reps and Multicolored log number of reps and range of movement & store workout history Project M Trac onto a monitor or TV for easier viewing Curved wheels enable arcing turns that engage a wide range of muscles Braking action stops movement at any point start with short extensions and gradually increase over time Designed to create instability that works to build your core Ergonomically designed handles Removable device tray Blackout Technology that eliminates Glare Ultra Light Weight giving your head and neck more freedom and better movement NOCSAE certified until 2024 simply roll it up and clip it shut and carry it by the convenient handles located on the back To store it