About this item ? [Upgrade Material]：Exclusive customized reusable storage bags made of food-grade recyclable upgrade PEVA & Silicone material, which are PVC-free, lead-free, chloride-free, and BPA-free.It is more heat-resistant and frost-resistant, supports dishwasher cleaning, and freezer storage. ? [Dishwasher Safe] COKMART reusable sandwich bags are fully upgraded and support dishwasher cleaning. It not only makes the tool convenient for our life, but also adds exquisite paper envelope packaging. Make storage easy and enjoyable from the moment you unpack it. ? [Freezer Safe]: Soft and flexible silicone food bags ensure that they can still be reused after freezing. It can prevent the ingredients from being frozen and burn, and prolong the preservation time. The set includes gallon bags (11"x11"), sandwich bags (8.5"x7.8"), and snack bags (8.5"x5.3"). Different sizes facilitate your refrigerator organization. ? [Leak-poof & Seal]: The double lock closure design provides an airtight seal, ensuring these reusable freezer bags are waterproof. Due to the thickened design, these storage gallon bags are more durable than other similar items and better for keeping food fresh and delicious. ?[Clean & Eco-Friendly]: Place the reusable gallon bags on top of a cup or rack to air dry after washing to prolong the life of the reusable freezer bags. One reusable food storage bag avoids the waste of over 800 single-use plastic bags, which not only saves you money, it saves the planet.