Quick answer
Disassemble the lid, wash all parts in warm soapy water, and air-dry completely before reassembling to prevent mold and keep the lid working smoothly.
Why regular cleaning matters
The lid on your S'well Traveler is where moisture and residue can get trapped, especially around the straw mechanism and flip top. If not cleaned regularly, this can lead to mold growth, unpleasant odors, or a sticky push-button. A quick clean after each use and a deeper soak every week will keep the lid fresh and the drinking mechanism working properly.
What you'll need
Warm water, mild dish soap, a small bottle brush or straw brush, and a clean towel. Avoid bleach or abrasive scrubbers that could damage the silicone or plastic parts.
Step-by-step cleaning process
- Disassemble the lid: Remove the lid from the bottle. For the Pop Top, press the button to open the straw and pull the straw out from the top. For the Flip Straw lid, flip open the mouthpiece and gently pull it off the hinge. Separate all removable parts: straw, gasket, and lid body. Check the manufacturer's instructions for your specific lid model, as some parts may not be fully removable. Do not force any piece.
- Wash all parts in warm soapy water: Fill a bowl with warm water and a few drops of mild dish soap. Submerge all lid parts and use a small brush to scrub the straw, the button area (Pop Top), and the hinge (Flip Straw). Rinse thoroughly with clean water. Avoid using the dishwasher unless the lid is explicitly marked dishwasher-safe. High heat can warp plastic or silicone seals.
- Soak to remove stubborn residue or mold: If you notice mold or a musty smell, mix a solution of equal parts white vinegar and warm water. Soak the lid parts for 15–20 minutes, then scrub again with a brush. Rinse very well afterward. Do not use bleach or harsh chemicals. They can damage the plastic and leave a chemical taste.
- Air-dry completely before reassembling: Place all parts on a clean towel and let them air-dry for several hours or overnight. Make sure the straw and any crevices are fully dry. Reassemble the lid only when every piece feels dry to the touch. Reassembling a damp lid is the most common cause of mold and sticky buttons. Patience here prevents future cleaning headaches.
Products mentioned in this guide
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Pop Top Traveler | 14oz: The Pop Top Traveler has a lid that opens with the push of a button and keeps the straw clean between sips. The button and straw mechanism are high-touch areas that need careful cleaning to prevent stickiness and bacterial buildup.
Pop Top Traveler | 14oz
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Traveler with Flip Straw Lid | 16oz: The Traveler with Flip Straw Lid offers easy, hands-free drinking, perfect for quick sips. The flip straw lid has a hinged mouthpiece that can trap moisture if not cleaned regularly, making thorough drying essential.
Traveler with Flip Straw Lid | 16oz
