Stanley tumblers have become a major consumer trend, and Amazon Prime Day is bringing rare discounts before the official event begins.
According to E! Online, select Stanley cups are already discounted ahead of Amazon Prime Day 2026, giving shoppers an early chance to buy one of the internet's most-popular drinkware items for less.
The Stanley Quencher H2.0 Tumbler is marked down from $45 to $30 for the 30-ounce version, while the 40-ounce option is $33.75 (down from $45). Both sizes come in summer tie-dye prints, bold colours, and patterned designs.
The ProTour Flip Straw Tumbler is also discounted. Double-wall vacuum insulation keeps drinks cold for hours, and the FlowState lid features a rotating cover with three positions.
Prime Day has not yet officially begun, which means additional deals may appear. These tumblers are constructed from 90% recycled, BPA-free stainless steel and are built to last a lifetime.
