Amazon has this Contigo Spill-Proof Kids Tritan Straw Tumbler, 14 oz, Nautical Blue For $5.84 as an add on item.
No more spills – this kids tumbler features a straw and a spill-proof valve so you don’t have to worry about spills (even when it’s upside down!)
Seal the deal – silicone seal around the straw adds Extra protection against leaks
Material matters- 100% BPA-free ; clean up- top rack dishwasher safe lid and body; straw twists apart for easy cleaning
Get a grip – soft grip bottom pad helps prevent skids and tipping
Perfect fit – Fits most car cup holders; for ages 3 and up
