Here is this week’s Walgreens weekly ad released on December 8, 2013. It is valid through December 14, 2013. Walgreen’s is a drug store that has great weekly prices. Walgreens offers a rewards card for additional savings which is free to sign-up for. Now through December 31, 2013 get 20% Off Plus FREE Standard Shipping On ALL Contact Lens Orders – use promo code CONTACTLENS20.