This is a recurring subscription, and payments are debited on the first of each month - except for your first box which is debited immediately upon purchase (example: If you purchase the April box on April 12th, the payment will be debited on April 12th and the box shipped immediately. Then the next box will be debited on May 1st and shipped in the first week of May, and the June box debited on June 1st and shipped in the first week of June, etc.)