1. Introduction
This instruction manual provides essential information for the safe and effective use, maintenance, and care of your Thermos TS1319WH4 Standard White 18 fl oz Travel Tumbler. Please read this manual thoroughly before first use and retain it for future reference.
2. Product Overview
The Thermos TS1319WH4 Travel Tumbler is designed to keep your beverages at their desired temperature for extended periods. It features a durable stainless steel construction and a leak-resistant lid for convenience on the go.
Key Features:
- Thermos vacuum insulation technology for temperature retention.
- Durable double-wall stainless steel construction.
- Exterior stays cool to the touch with hot beverages and sweat-proof with cold.
- Easy-to-use slide lock lid.
- Easy-to-clean, leak-resistant lid with minimal parts.
- Fits most car cup holders.
- Dishwasher safe.

Figure 2.1: Front view of the Thermos TS1319WH4 Travel Tumbler.

Figure 2.2: Product dimensions showing height of 8.0 inches and base width of 3.25 inches. Indicates it keeps hot for 5 hours and cold for 14 hours.
Product Summary Video:
Video 2.1: A brief product summary showcasing the features and design of the Thermos Travel Tumbler.
3. Setup
- Unpack: Carefully remove the travel tumbler and all components from the packaging.
- Initial Cleaning: Before first use, wash all parts (tumbler body and lid) with warm water and mild dish soap. Rinse thoroughly.
- Pre-heating/Pre-cooling (Optional): For optimal temperature retention, pre-heat the tumbler with hot water for 5-10 minutes before adding hot beverages, or pre-cool with cold water/ice for 5-10 minutes before adding cold beverages. Empty the pre-heating/pre-cooling water before filling.
4. Operating Instructions
Filling the Tumbler:
- Unscrew the lid from the tumbler body.
- Fill the tumbler with your desired beverage. Do not overfill; leave space for the lid.
- Securely screw the lid back onto the tumbler body until it is tight.

Figure 4.1: Illustration of pouring a beverage into the tumbler.
Using the Slide Lock Lid:
- To open the drinking spout, slide the lock mechanism to the 'OPEN' position.
- To close and seal the drinking spout, slide the lock mechanism to the 'CLOSED' position. Ensure it clicks into place to prevent leaks.

Figure 4.2: Top view of the tumbler lid, showing the slide lock in the open position for drinking.

Figure 4.3: Angled view of the tumbler lid, showing the slide lock in the closed position for leak-resistant transport.
5. Maintenance and Cleaning
Regular cleaning is essential to maintain hygiene and product performance.
Cleaning Instructions:
- Disassembly: Unscrew the lid from the tumbler. The lid is designed for easy disassembly to ensure thorough cleaning. Refer to Figure 5.1 for lid component separation.
- Washing: Wash all parts (tumbler body and disassembled lid components) with warm water and mild dish soap. Use a soft brush for hard-to-reach areas if necessary.
- Dishwasher Safe: The tumbler and lid are dishwasher safe. Place them on the top rack of your dishwasher.
- Drying: Allow all parts to dry completely before reassembling and storing.
- Reassembly: Reassemble the lid components by reversing the disassembly steps. Ensure all seals are properly seated to maintain leak-resistance.

Figure 5.1: Exploded view of the lid, showing individual components for thorough cleaning.

Figure 5.2: Thermos tumblers placed in a dishwasher, illustrating their dishwasher-safe feature.
6. Troubleshooting
- Beverage Not Staying Hot/Cold:
- Ensure the lid is securely tightened and the slide lock is in the 'CLOSED' position.
- Verify that all lid components and seals are correctly assembled.
- Consider pre-heating or pre-cooling the tumbler before filling.
- Lid Leaking:
- Check that the lid is screwed on tightly and evenly.
- Confirm the slide lock is fully in the 'CLOSED' position.
- Inspect the silicone seals and gaskets for any damage or misalignment. Replace if necessary.
- Difficulty Cleaning:
- Disassemble the lid completely for access to all parts.
- Use a bottle brush for the interior of the tumbler and a small brush for intricate lid parts.
- For stubborn stains or odors, a mixture of baking soda and water can be used. Let it sit for a few hours before scrubbing and rinsing.
7. Specifications
| Attribute | Detail |
|---|---|
| Brand | Thermos |
| Model Number | TS1319WH4 |
| Color | White |
| Capacity | 18 fl oz (510 g) |
| Material | Stainless Steel |
| Product Dimensions | 8.26 x 8.26 x 20.32 cm |
| Item Weight | 14.2 g |
| Special Features | Dishwasher Safe, Vacuum Insulation |
| Recommended Uses | Travel, Hot Drinks |
8. Warranty and Support
For warranty information or product support, please refer to the official Thermos website or contact their customer service directly. Keep your proof of purchase for any warranty claims.





