[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 babys health and safety." "Momcozy Washing Block: Pairing with a Momcozy KleanPal Pro baby bottle washer can safe and powerful cleaning for their babys 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.]