https://sport.woot.com/offers/stanley-iceflow-2-0-flip-straw-tumbler-30-oz-5 Stanley 30-Oz IceFlow 2.0 Flip Straw Tumbler with Handle (Prickly Pear) on sale for $19.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is $6 per order.