Herrnalise 100 One-Time Fresh-Keeping Covers With Elastic Mouth Descriptions: Resistant to high and low temperature, the use of temperature range -20 ℃ ~ +220 ℃, can be used for refrigerators, microwave ovens, electric oven. Completely isolated from internal and external gas flow, good sealing. Used in the refrigerator to cover the bowl, pot, pots, etc., will not smell, because completely isolated from the air, can achieve the best preservation effect. CONVENIENCE- Reusable Silicone Food Bags is great for the microwave, steamer, refrigerator, freezer & sous vide cooking. HERMETIC SEAL AND LEAKPROOF- Our silicone food storage bag are designed with Airtight seal,which can makes it easy to carry on and go for a camping trip. Easy cleaning: Very easy to clean, safe for use in dishwasher or wash it by hand. Specifications： Material: PE Weight:280G Package: 200PCS x Food Storage Bag Our food storage covers are made from an inert material. Safe materials to use on food is our top priority. These are perfect and safe for family gatherings, picnics, or when transporting plates of food to a potluck dinner or BBQ. Our clear fresh keeping bags are stretchable, they can be adjust to fit for all shapes and most size.Quickly cover and store while being able to see what is under the covers without removing them. Great for any leftovers，Great for any leftovers, picnics or BBQ. When you are setting up a picnic or outdoor family meal, this kit of covers really comes in handy. They keep pesky bugs off of your food while you are still prepping and plating everything. And they make cleanup and storage easy after the party! These covers are 3x the thickness of other competitors. Their tight elastic seal helps keep food fresher for longer. They can also be easily removed and replaced over and over.These covers are 3x the thickness of other competitors. Their tight elastic seal helps keep food fresher for longer. They can also be easily removed and replaced over and over. Cute Packaging,Exquisite bear packaging,it is a perfect gift for family and friends.