If you own a Harvest Right freeze dryer, these medium tray lids are absolute must-have accessories! This set of 5 food-grade PP lids snaps perfectly onto your standard medium trays, creating an airtight seal that keeps dust out and your food protected. They're fantastic for pre-freezing - just stack your loaded trays with lids on and save precious freezer space before running your freeze drying cycle. The best part? You can actually use these lids as additional trays in your freeze dryer, effectively doubling your capacity! The non-stick surface makes cleanup easy, and you can even use them to divide different foods into sections on the same tray. Dishwasher safe for quick cleaning, these durable lids will last through countless freeze drying cycles. Whether you're preserving fruits, vegetables, meals, or even making freeze-dried snacks, these lids make the process more efficient and organized. They fit Harvest Right medium trays perfectly with no modifications needed. If you're serious about freeze drying, these affordable accessories will quickly become some of your most-used tools in the kitchen!