ThriftyVac® lets you to vacuum pack your food using any resealable plastic bag in your pantry. * ThriftyVac® comes with instructions on how to make all resealable plastic bags retain a vacuum. * ThriftyVac® lets you to vacuum pack any size food item in any size food bag. * ThriftyVac® is completely portable and ideal for campers. * ThriftyVac® is ideally suited for Sous-vide cooking.