Quick answer
Set up the IceFlow Flip Straw Tumbler 20oz by snapping the flip straw lid firmly onto the cup, then clean it daily by hand with warm water and mild soap, paying special attention to the straw and the seal. Avoid soaking the lid or putting it in the dishwasher unless the care instructions say otherwise.
Why the lid seal matters more than the cup
The IceFlow Flip Straw Tumbler 20oz is built around a flip straw lid that snaps tight to stay fully leakproof. That leakproof promise depends on a small gasket and a clean straw, not on the double-wall vacuum insulation. If the gasket is missing, twisted, or coated in dried drink residue, the lid can feel secure but still seep into a bag. Check the gasket every time you wash the lid, and rinse the straw through with warm water before you snap the lid back on.
When hand washing is the safer choice
The catalog does not list dishwasher instructions for this tumbler, so treat hand washing as the default. Hot dishwasher cycles and harsh detergents can wear out the flip straw mechanism and the lid seal faster than a two-minute hand wash. If you want to sanitize the cup body, use warm soapy water and a soft bottle brush, then let it air dry completely with the lid off. The lid should be rinsed and dried separately so water does not sit inside the straw.
Step-by-step setup and cleaning
- Inspect the lid before first use: Open the flip straw and check that the gasket is seated flat inside the lid. Rinse the cup, lid, and straw with warm water and mild soap, then dry all parts completely. A missing or twisted gasket is the most common cause of a lid that leaks even when it looks closed.
- Snap the lid on straight: Align the lid with the cup opening and press down firmly around the rim until it snaps into place. Do not twist or force the lid sideways. Press around the entire rim, not just the front, to seat the seal evenly.
- Test the flip straw lock: Flip the straw up and then press it down until it clicks. Tip the tumbler over a sink to confirm the straw stays closed and no water drips from the lid. If you hear a click but still see a drip, remove the lid and reseat the gasket before carrying the tumbler in a bag.
- Clean after each use: Hand wash the cup with warm water and mild soap. Rinse the lid and straw under running water, working water through the straw from both ends. Use a small straw brush if you have one. Do not soak the lid in soapy water for long periods; trapped moisture inside the straw can leave a stale taste.
- Dry all parts separately: Leave the cup, lid, and straw in a well-ventilated spot with the flip straw open until every part is completely dry. Reassemble only when dry. Storing the tumbler with the straw closed and the lid on traps moisture and can cause a musty smell.
Product facts
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The IceFlow™ Flip Straw Tumbler | 20 OZ - Stanley Create: The IceFlow Flip Straw Tumbler 20 OZ has a built-in flip straw that snaps tight to stay fully leakproof. Because the straw is the leakproof point, it needs a quick rinse and a firm snap every time you refill.
The IceFlow™ Flip Straw Tumbler | 20 OZ - Stanley Create
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The IceFlow™ Flip Straw Tumbler | 20 OZ - Stanley Create: Stanley’s double-wall vacuum insulation keeps drinks icy cold, and a rotating handle makes it easy to carry. The insulation works best when the lid is seated correctly, so check the seal after every wash.
