420D Nylon. 2 roadside triangles included. Highly reflective triangles on both ends of the bag. Kit contents: 1 8' 10 gauge CCA Booster Cables, 1 12 oz GUNK Tire Inflator & Sealer - non-flammable, 1 Heavy Base Triangle - 2 sided reflective, 1 Window Mount Triangle - 2 sided reflective, 1 Flashlight, 2 Heavy Duty D Cell Batteries, 1 Signal Cone for Flashlight, 1 Automotive Safety Manual, 19 pc First Aid Kit, 1 Emergency Poncho, 1 Safety Vest, 1 Pair of Cotton Knit Gloves, 1 Call Police Banner. 13" L x 7" W x 7.5" H