This 2-Pack of Shaker Cups is on sale for $6.99 at Woot. Shipping is free with an Amazon Prime account or when you sign up for a free Prime trial. Otherwise, it adds $6. Even with a shipping fee, that's $3 less than you would pay anywhere else online. Each cup has a 20-ounce capacity. Please note that you will need to log in with a free Woot account, a free Amazon account, or your Prime account to get this deal. Sales tax is charged in most states.