Nordstrom Rack offers Stanley Classic Flip Straw Tumbler Set for $37.97 (orig. $50).  Shipping is free on orders over $89.

Product Description:
This set of tumblers is perfect for keeping you and your little one hydrated. With a rotating handle for easy carrying and flip straw, ensures splash-free sipping wherever you go.

• 18/8 stainless steel
• Hand wash
• Imported
• Item #10518578