40oz Stainless Tumbler with Straw $10

This Mainstays 40-ounce Stainless Steel Tumbler with straw and handle drops from $12.44 to $9.97 at Walmart. Spend $35 or more and get free shipping. Otherwise it adds $6.99 to your order. Similar tumblers sell for at least $25 each, and this is the biggest price drop we've ever seen. This one is double-wall insulated and comes in a variety of colors.