The collapsed kit is very compact

Attach / detach diffuser lens to switch between area light and spotlight

A 101/2" long x 41/2" high x 3" deep pocket on the side for mask

8 - Battery Disconnect

HazMat and hazardous area

Foxfire Illuminating Helmet Bars (6 Pack) Petzl Harnesses - Work Positioning & Suspension The collapsed kit is veryFoxfire Illuminating Helmet Bars are perfect for modern helmets, flashlights, radio straps and other items that get used in the dark. Each bar measures 1 inch x 3 inches. Foxfire illuminating Helmet Bars combine advanced photoluminescent technology with reflective micro prismatic technology. The bars are constructed with high temperature resistant fire retardant cloth and an industrial grade adhesive to ensure strong surface bonding.