Allows you to precisely management your cooking temperature to achieve advantageous results. You can put the meals within the r bag into the water till any temperature of 195°F / 194°F. By using a vacuum sealing system, water will not seep into the bag and stain your food, so your food continues to be safe during the water bath. The use of vacuum bags suggests that those bags are permanently airtight, reward fixed cooking outcomes and prevent floating within the deep taste bath. The product has specifically designed channels that may remove oxygen, diversity an hermetic barrier, stop flavor and prevent deterioration and combustion of the freezer. The vacuum sealing method robotically eliminates all air from the bag, and then makes use of warmth to create an hermetic seal to lock in moisture and air to guard the food and preserve freshness. Easy to use. Simply add meals to the bag, insert the open end into the vacuum seal system, and the machine will do the rest-purge all air earlier than constructing an hermetic seal. colour: white Material: PA+PE Package Contents: 3 x 28x500CM vacuum packaging luggage 2 x 20x500CM vacuum packaging bags Only the above equipment content, other merchandise are usually not included. Note: Light taking pictures and assorted reveals can cause the colour of the article within the photo a little varied from the real thing. The size allowed error is +/- 1-3cm.