Strong Cleaning Power: These are specially designed to remove stubborn milk residue and odor. Compatible: Designed to work seamlessly with the Momcozy KleanPal Pro baby bottle washer. Safe: Rest assured that these washing block tablets are baby-safe, providing you with peace of mind when it comes to your baby's health and safety. Momcozy Washing Block: Pairing with a Momcozy KleanPal Pro baby bottle washer can safe and powerful cleaning for their baby's bottles, pump parts, and baby product. Specification: Each box contains 120 tablets, with 4 bags of 30 tablets each. Note：The date on the packaging is the manufacturing date, and the shelf life is 2 years.