Straight from Levenger's site:

Choose your savings option: Enjoy 20% off your purchase instantly or by entering SEARCH15 at checkout. Savings will be applied at checkout.

Or enjoy free shipping on your order of $50 or more. Free shipping denotes ground shipping to a single address within the 48 contiguous United States. Offer excludes gift cards, furniture and seating. To receive free shipping, simply enter SHIP50 at checkout. A credit for shipping and processing charges will be applied at checkout.

These special offers cannot be combined or applied to previous or pending purchases.