Stanley water bottles are 25% off on Amazon, including multiple colors and sizes of their viral tumblers.The Quencher H2.0 FlowState Tumbler comes in 30-ounce and 40-ounce versions, with double-wall vacuum insulation to keep drinks cool for hours.The tumbler has an ergonomic handle, is dishwasher safe, and has received over 40,000 five-star ratings on Amazon.With prices ranging from $26 to $33, the discounted Stanley tumblers are a durable and stylish option for hydration.