Remember that pricing on Amazon is subject to change at any time.
Amazon just dropped the price on the Contigo AutoSeal Stainless Steel Travel Mug 2-Pack to under $17.30 ($8.65 each), which is by far the lowest price it's ever been at! It has excellent reviews, and ships free with Amazon Prime or Free Super Saver Shipping.
Or get a single Contigo Travel Mug for under $16.40 after eCoupon!
Or grab on of these other color sets for a little more!