Concept One Step 4-Month Set Contents: Disinfectant Solution: 4 bottles, Expiration Date: June 2028 Neutralizing Tablets: 120 tablets, Expiration Date: March 2027 Dedicated case not included. If needed, you can add one for 80 yen. #chanC's Concept One Step Hash tag search is recommended. #ConceptOneStep #chanC'sProductList No price negotiations. Instant purchase available.