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Item #:
152603325
Joshey Replacement Leak-Proof Stopper & Seal Kit (3+3), for Thermos Funtainer 16 Oz Insulated Bottle - Lid Gasket Plug Water Bottle Replacement
Item #:
152603325
BSD 9
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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Restore your bottle to its original leak-free, smooth-drinking condition with our leak-proof seal kit.
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What Stands Out
Leak-Proof Design
Engineered to prevent leaks, ensuring that your child’s belongings stay dry and free from mess during transport, offering peace of mind for parents.
Compatibility
Specifically designed for the Thermos Funtainer 16 oz insulated bottles, making it easy to restore older models to like-new functionality without purchasing a new product.
Durable Materials
Constructed from high-quality materials, this stopper and seal kit guarantees long-lasting use, promising reliable performance over time, enhancing the value of your bottle.
Product Details
| Package Dimensions | 5.59 x 3.94 x 0.67 inches (14.2 x 10 x 1.7 cm) |
| Item Weight | 0.317 ounces (8.99 grams) |
| Department | unisex-adult |
| Manufacturer | Joshey |
| Date First Available | February 18, 2025 |
Who Should Buy?
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Parents with Kids
Ideal for parents needing reliable, leak-proof stoppers for their children's insulated bottles during school and outdoor activities.
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Frequent Travelers
Perfect for travelers who want an easy-to-replace solution to keep their water bottles functional and leak-free during trips.
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Environmentally Conscious Users
Great for users who prefer sustainable options by choosing replacement parts over buying entirely new bottles.
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Heavy Users
Not suitable for those who need extremely durable parts for heavy and vigorous everyday usage due to potential wear.
Product Description
Joshey Replacement Leak-Proof Stopper & Seal Kit (3+3), for Thermos Funtainer 16 Oz Insulated Bottle - Lid Gasket Plug Water Bottle Replacement Parts, Old Model (Lid with Line)
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Customer Questions & Answers
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Question:
Is this replacement kit compatible with all Thermos Funtainers?
Answer: No, it's only compatible with the old version lids that have a line in the lid. -
Question:
How long does it take to install the replacement seals?
Answer: Installation takes just a few seconds. -
Question:
What material are the replacement gaskets made from?
Answer: They are made from BPA-Free, food-grade silicone.
Joshey Sports Water Bottle Accessories Editorial Review
The Replacement Rubber Seal and Silicone Stopper designed for Thermos 16 oz Insulated Bottles offers a mixed bag of customer experiences. Many users appreciate the option to replace worn seals and stoppers, particularly in scenarios where purchasing new tumblers would be financially unnecessary. This product opens up the possibility for extending the life of beloved tumblers, which is a major plus for parents trying to keep their kids' drinkware functional without overspending. However, not all feedback is positive. Some customers encountered sizing issues, with reports that the replacement parts did not fit older models of the Thermos bottles. One user expressed frustration when the new rubber seal was larger than expected, leading to leakage issues that resulted in wet backpacks and ruined books and electronics. This mismatch highlights the importance of confirming compatibility before purchasing, as not all versions of Thermos bottles may work with these replacement seals. Overall, while the product serves a valuable function for many users, potential buyers should exercise caution regarding fit and compatibility with their specific bottle models. **
Customer Reviews & Ratings
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Pros
- Provides a cost-effective solution for replacing worn seals and stoppers
- Extends the life of Thermos tumblers
- Positive reception from parents looking to maintain their children's drinkware
Cons
- Reports of leaks when the seal does not fit properly
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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BSD 9
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Leak-proof seal kit compatible with Thermos Funtainer 16oz.
- Easy installation takes just seconds.
- Includes 3 replacement silicone gaskets and 3 stoppers.
- Made from BPA-Free, food-grade silicone for safety.
- Resists wear and deformation, ensuring a long-lasting seal.
- Compatible only with old version lids that have a line.
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