Designed to fit seamlessly into the Vertx EDC Essential Sling, this lightweight & flexible Level IIIA / HG2 backpack armor will provide you and/or your loved ones with years of dependable service. Custom-built to fit perfectly inside Vertx’s EDC Essential Sling. Dimensions: 9.5" x 9.5" Weight: 1.7 lbs Vertx Essential Sling Insert At A Glance Armor Materials Proprietary ballistic package sealed in a waterproof ripstop fabric, then covered with a protective outer layer of 500 Denier Cordura®. Physical Specifications Panel Size: 19.5" x 9.5" Weight: 1.7 lbs Thickness: 0.22" Warranty 5 years NIJ Certification Standard Level IIIA / HG2 Made In Made in the USA and Berry Amendment Compliant: Manufactured in the United States using only domestic materials. Stab Protection While ballistic fibers naturally offer some resistance to stabs and slashes, this product is not formally tested or rated for stab protection (NIJ Standard 0115.00). Compatibility This backpack insert is compatible with the following bags: Vertx EDC Essential Sling Additional Features Soft and flexible TSA-approved