Shipping times are estimates only and are based on standard business days as determined by the shipping carrier. Orders are shipped via USPS or FedEx to ensure shortest transit times. Shipping time to P.O. boxes will vary. Only valid within the contiguous U.S. Bowsers brand items require additional processing time and may take up to 14 days for delivery. Certain states incur shipping surcharges due to additional handling. Certain products like cat litter and oversized packages incur surcharges due to additional handling required.