Ideal for those occasions when you take a wrong turn and are forced to spend the night. Made out of a quiet, reusable, and repairable bright orange polyethylene material. Survival and first-aid instructions are printed directly on the blanket. Reflects up to 90% of your radiated body heat. Bivvy: Size: 36" x 84". Folded: 3.5" x 2.5", 3.5 oz. Bivvy XL: Size: 84" x 60". Folded: 3.5" x 2.5", 4.9 oz. Survival Blanket: Size: 60" x 96". Folded: 5" x 3" x 5", 2.8 oz. Emergency Blanket: Size: 56" x 84". Folded: 5" x 3" x 4", 2.5 oz.