4 x vacuum bags 1 each small, medium, large, and jumbo|Vacuums flat for compact storage|High quality bag more durable and long lasting|Thicker than market average of 0.04mm PA+PE bag (our model 0.09mm)|Grey pull zip lock for ease of closing seal|Double seal lock to prevent air loss|One way valve stop|Waterproof|Black + Decker 2 year guarantee|Step by step instruction printed on bags