Exclusive Heat Sealed “Bag-in-a-bag” inner liner to prevent leakage of fluids that may result from excess handling over rough terrain. Exterior material is 18 mil heavy duty vinyl coated poly scrim. 10 ultra strong and extra wide web handles for ease of handling by multiple individuals as well as “litter style” carry in tight quarters by 2-4 individuals. Tested to 450 lb. Lifting capacity. Large capacity envelope style heavy duty zipper with dual zipper pulls for easy access. Complies with OSHA Regulation 3130 for Universal Precautions involving containment of body fluids and protection from blood bourne pathogens. Each bag comes with a CE-BBID-Kit. Envelope style zipper.