---
product_id: 37117062
title: "Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black)"
brand: "thermonator"
price: "₨12424"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/37117062-spill-proof-lid-universal-for-30oz-stainless-steel-tumblers-no
store_origin: LK
region: Sri Lanka
---

# Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black)

**Brand:** thermonator
**Price:** ₨12424
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) by thermonator
- **How much does it cost?** ₨12424 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/37117062-spill-proof-lid-universal-for-30oz-stainless-steel-tumblers-no)

## Best For

- thermonator enthusiasts

## Why This Product

- Trusted thermonator brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Tired of tumbler lids that just aren't spill proof? The other say "leak proof but just aren't!Thermonator to the rescue! The Thermonator Spill Proof 30oz Tumbler Lid is: 1. No Leak Tumbler Lid 2. No Spill Lid 3. Won't Fall off 4. BPA Free 5. Won't Rust 6. Made with Food Grade Materials 7. Quality Made and Guaranteed Our lid fits tight and close tight so there is absolutely no worry of spilled drinks. Shake it up, turn it upside down, not a drop lost. Not recommended for carbonated beverages as they build up too much pressure. To place lid simply wet the silicone gasket, loosen flip lid to prevent pressure buildup, and turn into place. Add to cart now while these are still available!

## Features

- Universal Fit- for Yeti, RTIC, Thermonator, Ozark Trail and other 30oz Tumblers
- BPA Free- Safe for all liquids hot or cold (not for carbonated beverages)
- Solid Made- Never worry about losing your drink
- The First and Original Thermonator Brand now available to everyone. Also Fits- Simple Modern, SIC, Boss, Magnum, Geyser, Berg, Iconiq, and many others
- Receive this lid for free with the purchase of any one of our tumblers! Simply add both to cart!

## Images

![Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51sAAFKku6L.jpg)
![Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) - Image 2](https://images-na.ssl-images-amazon.com/images/I/511qiTwZrLL.jpg)
![Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51d0lkg%2BMZL.jpg)
![Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) - Image 4](https://images-na.ssl-images-amazon.com/images/I/51Vrzz9Z0aL.jpg)
![Spill Proof Lid- Universal for 30oz Stainless Steel Tumblers- No Leak Guaranteed- The First and Original Thermonator Brand (Black) - Image 5](https://images-na.ssl-images-amazon.com/images/I/41oVZmfWn6L.jpg)

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**Shop now:** [https://www.desertcart.lk/products/37117062-spill-proof-lid-universal-for-30oz-stainless-steel-tumblers-no](https://www.desertcart.lk/products/37117062-spill-proof-lid-universal-for-30oz-stainless-steel-tumblers-no)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-08*