Easy to Use The blue patch on the bags indicates the valve so you dont need to worry about tearing or peeling it off Simply use the hand pump to remove the air from the bag without any extra steps Reusable and Safe Our vacuum sealed bags are made from PA and PE materials which are BPAfree and safe for food storage As for daily maintenance the vacuum food storage bags are easy to clean with vinegar dish soap and warm water then store it in a clean and dry place before using it again Double zipper Our bags feature a double zipper design that enhances the airtight seal helping to preserve your foods freshness for up to 35 times longer This also helps to keep unwanted odors out of your food Keep Food Fresh Vacuum sealer bags create an airtight barrier around food blocking moisture and oxygen to extend freshness and locking flavors It locks nutrients in and help food fresh up to 3X longer Slow down food spoilage and keep food tasty and delicious And without taking up valuable kitchen space Heavy Duty and Puncture Prevention Reinforced and thick double zipper bags for sous vide The airtight seal blocks out air and locks in freshness You can put it in the fridge or your larder anywhere you like You can use it at home or take the food vacuum seal bags to anywhere and anytime camping and picnics hunting and fishing keep fresh ingredients improve quality of life and reject waste