- Make sure this fits by entering your model number.
- PLEASE NOTE: This gasket / o-ring / seal set fits only travel tumblers / mugs with the WIDE BODY and NARROW TOP model (Stainless King (TM) and comparable mugs). WILL NOT FIT the narrow body and wide top model (Sipp (TM) models). Please view all pictures prior to purchasing
- PERFECT REPLACEMENTS: Perfect replacement gaskets / o-rings / seals for 16 ounce / oz Stainless King (TM) (and comparable model) vacuum insulated stainless steel travel tumblers and travel mugs. THESE DO NOT FIT ANY OTHER SIZES OR MODELS
- REPLACE YOUR LOST OR LOOSE GASKET: Gaskets get lost periodically and get warped/worn out over time. A damaged gasket (or no gasket, at all) means a poor seal, leading to a leaky bottle. Always have a spare on hand!
- SAVE MONEY, EASY TO INSTALL: Replacement gaskets for these lids are often hard or expensive to find – don’t buy a new lid, just get a new set of gaskets. Easy-to-install – directions below. 6 gaskets per pack for 2 full replacements (3 gaskets needed per replacement)
- MADE FROM HIGH-QUALITY, FOOD-SAFE SILICONE: Our gaskets are made from high-quality, durable, food-safe silicone and are BPA-free, phthalate-free and latex-free. Please note: This is an Impresa Products (TM) aftermarket replacement product meeting or exceeding the quality of OEM gaskets for Thermos (TM) (based on Impresa’s in-house testing). We have no affiliation with other manufacturers mentioned
INSTALLATION TIPS: 1) You will need a small, thin implement to change the gaskets, such as the rotating portion of a nail file or a flat head screwdriver for glasses repair. 2) You may want to soak the gaskets in hot water for a few minutes to loosen them up and make it easier to seat them. This may not be required – only necessary if you are having trouble seating them. INSTALLATION INSTRUCTIONS: 1) Remove the lid and place it top down. 2) Rotate the innermost piece on the central rod to the left until it clicks our of place. Place it aside. 3) Remove the gasket that sat underneath that piece and discard it. 4) Remove the flat circular piece to expose the bottom of the lid. 5) Remove the innermost (smallest) gasket that sits around the central rod and discard it. 6) Replace the innermost (smallest gasket), using your implement to get it fully seated, if necessary. 7) Remove the outer gasket (largest gasket) and discard it. 8) Replace that outermost gasket, again using your implement to get it seated, if necessary. 9) Place the flat circular piece back over the central rod with the words facing up. 10) Replace the gasket over the central rod, ensuring that it is fully seated. 11) Place the small piece back over the central rod and twist it to the right to click it back into place. ALL SET! This is a generic product manufactured and distributed by Impresa Products (TM). This is not a Thermos (TM) OEM product and Impresa Products has no affiliation with or endorsement from Thermos (TM). Our product is not covered under any Thermos (TM) manufacturer’s warranty. The Thermos (TM) brand names and logos are the registered trademarks of their owners. Any use of the Thermos (TM) brand name, model or any other related designations are made solely for purposes of describing and illustrating compatibility.