Purchase $40 or more (before taxes) on participating P&G products and you will be eligible to receive a free P&G Olympic Games backpack! Simply fill in this mail in rebate form, and include receipt (purchases must be made in a single transaction.) Offer valid on purchases made between July 1st, 2012 and September 6th, 2012. All submissions must be received by October 31st, 2012. This offer is good only while supplies last so you may want to be quick as these tend to go very quickly. Limit 2 requests per name/household or address and each request must be submitted separately.