Sunvalley Brands via Amazon offers the Vava 17-oz. Stainless Steel Travel Mug/Water Bottle in Black for $12.99. Coupon code "DLNS9JK5" cuts it to $9.99. With free shipping for Prime members, that's the lowest price we could find by $7. It features two cups, which are integrated on the cap, and a support ring. Deal ends October 31.