Materials: Homemade bread storage is made of BPA-free food grade PET material.Keep Bread Fresh: Airtight bread container maximizes bread freshness when closed, balances humidity, keeps bread fresh and locks in flavor for a a long time. Airtight: The plastic breadbox is equipped with a high-quality silicone sealing ring and four buckles to ensure its excellent airtightness, and there is an air valve on the lid to create a sealed storage space for you;You can also adjust the air flow rate in the bread bin by pulling up (air circulation) or pressing down (sealing) the air valve according to the requirements of the food storage environment Bread Box Setting Time:There is a calendar in the center of the Bread box lid where you can mark the month and the day that the bread will expire. When you put in the food, set what time you put it in so you don't forget how long you put it in. Or set it to the time of shelf life food‘s. Draining Tray:The porous draining pads hold the food up, blocking the bottom of the bread box and the food from sticking closely together, which prevents spoilage caused by the lack of air circulation at the bottom of the food. It also allows water from the top of food with water droplets to drip down to the bottom of the box without the bottom of the food soaking in water and spoiling. Multi-purpose Crisper:The bread box is compact and lightweight, so you can take it with you when you go out for a picnic or traveling, and it can also be used as a proofing box and for a variety of baked goods, including waffles, cookies, French toast and breakfast sandwiches.