Petzl Jet Throw Bag - Double-layer construction gives the JET throw-bag excellent longevity. Its streamlined shape facilitates passage through tree branches. It is available in three versions: 250, 300 and 350 g. Throw bag has rugged, two-layer construction for long life Streamlined shape facilitates passage through tree branches Different colored stitching on the webbing differentiates bag weights Secondary connection point for quick attachment of the rope Yellow for excellent visibility.