Stanley-Compatible IceFlow Flip Straw Replacement Straws

Upgrade your IceFlow with glass.

Our Stanley-compatible glass straws are designed to replace the internal plastic straws that come with IceFlow Flip Straw Tumblers. Handmade in the USA from premium borosilicate glass, they’re safe, durable, dishwasher friendly, and backed by our lifetime warranty.

Available sizes (Clear, 8mm width only):

• 20 oz Tumbler → 6″ straw
• 30 oz Tumbler → 8″ straw (includes two widths so you’ll always have the correct fit — whichever doesn’t fit becomes a bonus straw. Watch the video below for details.)
• 40 oz Tumbler → 8.75″ straw

For performance and safety, our straws match the shortest angle of the original, which means a small amount of liquid may remain at the bottom. It’s a small trade-off for pure-tasting, toxin-free sips.

Since these straws sit inside the tumbler, you won’t see them in use — but you’ll know your drink is free from plastic leaching and harmful chemicals.

Please note: Tumblers shown are not included. Stanley® tumblers are sold separately.