Neutralizing agent, 30 tablets Expiration date: 2027/03 Will be shipped with waterproof packaging and carefully wrapped in bubble wrap. If you need cleaning solution (expiration date 2028/07 or later), it can be added via anonymous delivery for the following additional fees. Please be sure to inquire via comment before purchasing. ・4 bottles: 520 yen ・7 bottles: 750 yen ・11 bottles: 850 yen