KPS Mouse Cleaner 473ml x 2 bottles Expiration date: 2028.3.1 Innovative mouse care for cleaning your pet's mouth!! An easy-to-use mouth cleaner, just mix it with water. Although stored away from direct sunlight, this item is kept in personal storage, so please refrain from purchasing if you are concerned. Returns and exchanges are not accepted. Please purchase only if you understand this. Also, price reductions are not possible.