BLASTBAG™ EVO consists of aerosol can which contains non-flammable, non-toxic gas. This aerosol features a single speed inflation mechanism with an innovative pressure sleeve outer layer. This sleeve allows for the user to vary the grip time based on position of the pressure sleeve. The can is contained with a single strong gas tight bladder which ensures the bag never leaks or fails. The product also comes with a pre-attached string for easy installation, making deployment a speedy and simple process.