Waterpik-store.com ships most in stock orders to the U.S. within 1 business day of receipt. Shipping options are provided at the time of check out. Standard shipping rates are shown at below. Next day and 2nd day shipping are available. Next day and 2nd day rates will be calculated at time of checkout. Orders shipped to AK, PR and HI must be shipped by 2nd day air. You will always have an opportunity to see the full amount of your purchase with shipping charges before you confirm your order. Out of stock items usually ship within 10 business days. Orders with items on back order are held until they can be shipped complete.