Amazon has 20-Oz STANLEY IceFlow Flip Straw Tumbler w/ Twist On Lid & Handle (Polar) on sale for $15. Shipping is free with Prime or orders $35+.

Thanks to Deal Hunter phoinix for finding this deal.

Product Description:

• This large tumbler with lid and straw can hold 20 oz of thirst-quenching beverage to power you through your longest days; Perfect for drinking water, smoothies, or iced coffee; Just fill it up and get on with your day
• Constructed with double-wall vacuum insulation and 18/8 stainless steel, your drinks will stay nice and chilled for 12 hours or iced for up to 2 days. Plus it can take a beating and is 100% free of BPA material
• Say goodbye to disposable straws that are flimsy and wasteful, or reusable straws that make a mess when tipped over. Our exclusive IceFlow flip straw allows effortless sipping and is leak resistant when closed, just snap it shut and you are done. At least 10% of our lid’s material is made of recycled fish nets to keep our planet healthy.
• The ergonomic, rotating handle lets you quickly grab this cute tumbler with straw and go; Fits comfortably in most cupholders in your car or on most exercise machines; Easy to clean and dishwasher safe; It’s the indispensable companion to bring with you anywhere
• Stanley products purchased from Stanley Resellers come with a lifetime warranty