This glassware set includes 8 each of 11-ounce and 16-ounce tumblers. Made in the USA, they are durable, have a weighted base to prevent spills, and are dishwasher-safe for easy cleaning. The price drops from $39.99 to $19.99. Shipping is free on orders over $35 or for prime members. Otherwise, it adds $6.99.

The price applies only to Rio glasses.