Amazon has the Stanley Classic Stay Chill 16oz Pint Glass with Lid & Bottle Opener (Nightfall, 10-01704-058) on sale for $15 - 5% off coupon (click checkbox) = $14 with free shipping on $25+ or with Prime.

• Keeps drinks cold for 4 hours (iced for 17 hours) / Drinks hot for 1 hour.