Macy's offers the Luminarc Metro 18-Piece Glassware Set for $19.99. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. Excluding padding, that's the lowest price we could find by $5. Made in the USA, this sodalime glass set includes six 16-oz. coolers, six 12-oz. beverage glasses, and six 11-oz. on-the-rocks glasses.

A close price: BrandsMart U.S.A. via eBay offers it for $9.88 plus $11.34 for shipping.