10% of the net sale price will be deducted when the coupon code SWEETESTDAY9 is applied at checkout. For most products, the net sale price is the price of the product (excluding shipping and taxes). For Zazzle Custom Stamps, the net sale price is the difference between the price of the Zazzle Custom Stamps (excluding shipping and taxes) and the face value of the postage. Offer is valid from October 15, 2009 at 12:01am PT through October 18, 2009 at 11:59pm PT. This promotional offer may not combine with any other Zazzle promotional or discount offers.