The manual inflator offers reliable inflation in a low maintenance design that will only inflate when activated by the user. It also features the patented SecureZip™ closure system to ensure the PFD will stay closed during even the most rigorous activity and still opens effortlessly upon inflation. The MD3181 LE includes a back flap that can be silk screened with your department identification. This low profile PFD is designed to be worn in conjunction with Personal Protective Equipment (PPE) and lightweight and comfortable enough that you'll forget you're wearing a PFD. TAA compliant. *Please Note: This product is a USCG Type ll and USCG Type V Commercial with Type ll performance when worn on uninspected commercial vessels less than 40 ft. in length and not carrying passengers for hire.