1. [DISHWASHER SAFE] Why bother with hand washing the reusable bags when you have a dishwasher? Thanks to innovative upgrades to materials, our reusable food storage bags are dishwasher . Simply turn the reusable bag inside out and put it in the dishwasher for easy cleaning. However, please skip high-temperature functions such as the dishwasher's drying to extend the lifespan of the bag. 2. [FOOD GRADE MATERIAL & FREEZER SAFE] Our reusable zer bags are made out of food-grade PEVA that's of BPA. Low-temperature resistant material makes the bag zer . They prevent your food from zer burn while preserving its flavor, perfect for zing meat, fish, shrimp, and vegetables. 3. [LEAKPROOF & AIRTIGHT] These reusable lunch bags will give you absolute confidence to hold liquids or sauces. Because they are leakproof. The double-seal design keeps liquids and air locked inside. At the same time, the airtight function of reusable food bags will keep food fresh longer. Everyone can easily open and close the bag. 4. [RECYCLABLE & ECONOMICAL] Our reusable gallon bags are reusable and recyclable, one of our bags can reduce the use of 450 single-use plastic bags, which has a significant environmental impact. At the same time, the reusable bag is also a more economical option for your household.