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Item #:
247129796
Replacement Lid Gasket Seal for Stanley 40oz Tumblers, 4 Seals & 1 Straw Cap, BPA-Free Silicone Seal for Adventure Quencher H2.0 Flowstate,
85% of respondents would recommend this to a friend
Item #:
247129796
XCD 44
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Friday, October 02
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Revive your favorite cup with our eco-friendly and economical gasket and cap kit, restoring leak-proof function and hygiene!
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What Stands Out
BPA-Free Material
Crafted from high-quality, BPA-free silicone, this lid gasket seal ensures safe, non-toxic beverage consumption, maintaining your health standards while enjoying your favorite drinks outdoors.
Leak-Proof Design
Designed to fit snugly, the leak-proof seal prevents spills and leaks, making it perfect for active users who need a reliable partner in their adventure without worrying about messy accidents.
Complete Kit
Includes four replacement seals and one straw cap, providing a comprehensive solution to keep your Stanley 40oz tumbler functioning at its best, saving you money and time on future replacements.
Product Details
| Brand Name | WtrBtl |
| Number of Pieces | 5 |
| Unit Count | 40 Count |
| Manufacturer | WtrBtl |
| Manufacture Year | 2026 |
| Included Components | 1 Pack Random color Straw cap, 4 Pack Lid Gaskets Seals |
| Model Number | Lid Gaskets Seals |
| Manufacturer Part Number | Lid Gaskets Seals |
| Material Type | Medical Grade Silicone |
| Color | clear |
| Product Style | Seals |
| Shape | Round |
| Item Dimensions L x W | 3.5"L x 3.5"W (8.9 cm) |
| Item Weight | 1.41 g |
| Material | Medical Grade Silicone |
| Brand | WtrBtl |
| Style | Seals |
| Product Dimensions (L x W x H) | 3.5"L x 3.5"W (8.9 cm) |
Who Should Buy?
-
Frequent Travelers
Ideal for on-the-go hydration, ensuring leak-proof functionality during commutes, hikes, or outdoor activities.
-
Health-Conscious Users
Made from BPA-free silicone, making it safe for those mindful of materials in contact with their beverages.
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Active Lifestyle Enthusiasts
Perfect for fitness lovers who benefit from reusable, easy-to-clean components that match high-demand usages.
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Single Use Users
Not suitable for those who rarely use tumblers, as the extra seals may go unused and wasted.
Product Description
Replacement Lid Gasket Seal for Stanley 40oz Tumblers, 4 Seals & 1 Straw Cap, BPA-Free Silicone Seal for Adventure Quencher H2.0 Flowstate, Leak-Proof, Food Grade (4 Seals + 1 Straw Cap)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this kit compatible with all tumblers?
Answer: No, it is specifically designed for Stanley 40oz and 30oz Adventure Quencher H2.0 Flowstate Tumblers. -
Question:
What materials are the gaskets and cap made from?
Answer: They are made from 100% food-grade, BPA-free silicone, ensuring safety and a clean taste. -
Question:
How can I ensure a perfect fit?
Answer: Please double-check your tumbler's model and size against your original parts and our product images before ordering.
WtrBtl Sports Water Bottle Accessories Lid Gaskets Seals Editorial Review
Replacement Lid Gasket Seal for Stanley 40oz Tumblers, 4 Seals & 1 Straw Cap, BPA-Free Silicone Seal for Adventure Quencher H2.0 Flowstate, Leak-Proof, Food Grade (4 Seals + 1 Straw Cap) provides an excellent solution for replacing worn seals on your tumbler. Made from medical-grade silicone, these gaskets fit perfectly on your Stanley cup and are simple to install. Users have noted the lack of smell upon unpacking, and that they wash well in the dishwasher, making them a convenient choice for daily use. Many reviews highlight how these seals work better than the originals, providing a reliable, leak-proof fit, ideal for those who enjoy their beverages on-the-go.
Customer Reviews & Ratings
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Pros
- Fits perfectly on Stanley cups
- Easy to install and swap out
- Made from medical-grade silicone
- No smell upon unpacking
- Washes well in dishwasher
- Long-lasting seals for year-round use
Cons
- Color choices may vary with random selection
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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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XCD 44
Order now and get it around Friday, October 02
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Restore your tumbler's leak-proof function easily and affordably.
- Includes 4 high-precision gasket seals and 1 straw slider cap for complete replacement.
- Engineered for a perfect fit, compatible with Stanley tumblers.
- Made from 100% food-grade, BPA-free silicone for safe hydration.
- Choose sustainability by repairing instead of replacing your tumbler.
- Customer satisfaction guaranteed with dedicated support.
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