Free US Economy Shipping is available on orders totaling $100.00 or more (net of discounts, taxes, and any shipping charges). The Free US Economy Shipping or $5 Flat Rate Economy Shipping option will be automatically available in the shopping cart after you enter a qualifying US zip/postal code. Offers for free economy and $5 flat rate economy shipping are valid only for orders shipped within the 48 contiguous United States (excluding Hawaii, Alaska, Puerto Rico, Canada, Australia, and the UK). Offer may not be applied to Corporate orders, combined with volume discounts, or applied as partial payment toward the cost of other shipping methods. Offer may be modified or terminated at any time.