I washed it with water and then stored it without using it. It's a beautiful item, almost new. No pets, no smoking. I believe it was stored in a hygienic environment. I have many other items for sale. Welcome to bulk purchases! I think I can offer a discount for shipping costs, etc. Please let me know in the comments section if you would like to purchase in bulk. ◾️ Airtight ◾️ Freezer-safe ◾️ Dishwasher-safe ◾️ Sizes: 1L, 1.2L, 2.5L 1 package｜Width: 10cm, Height: 5cm, Length: 28cm, Weight: 0.44kg Using freezer bags in three different colors makes it easier to organize your refrigerator and pantry. You can also keep food fresh, and you can quickly identify the contents through the transparent window. 【Product Details】 This freezer bag can be taken out of the freezer and heated in the microwave as soon as you remove the clip. Perfect when you're in a hurry. You can put anything in it, from leftovers and fruits to snacks and food for travel. Dishwasher-safe and with a convenient zipper. Can be used repeatedly. ◾️ Materials｜Bag: Silicone rubber, Packing: ABS resin ◾️ Care Instructions｜Microwave-safe, Oven not allowed To keep the food cover clean, make sure it is completely dry before storing it. Air drying is hassle-free.