1. Product Overview
The HAUSHOF 20 oz Stainless Steel Vacuum Insulated Tumbler is designed to maintain beverage temperatures for extended periods. Its double-wall vacuum insulation keeps drinks hot for over 6 hours and cold for over 18 hours. Constructed from durable 18/8 stainless steel, it features a BPA-free Tritan lid for secure and convenient use.
Figure 1: HAUSHOF 20 oz Navy Blue Tumbler with Lid
2. Key Features
- Double-Wall Vacuum Insulation: Engineered to prevent temperature loss, keeping hot beverages warm for over 6 hours and cold beverages chilled for over 18 hours.
- 18/8 Stainless Steel Construction: Ensures durability, meets hygiene standards, and provides a long service life. The inner wall is smooth and polished for easy cleaning.
- BPA-Free Tritan Lid: The tough and durable lid is resistant to dirt and odors, offering impact resistance. It features a large drinking port suitable for direct sipping or straw insertion.
- Sweat-Free Exterior: Prevents condensation on the outer wall when holding cold drinks, keeping surfaces dry.
- Cup Holder Friendly Design: The tumbler's shape is designed to fit most standard car cup holders for convenient travel.
Figure 2: Cross-section illustrating the double-wall vacuum insulation and copper liner.
Figure 3: Visual representation of hot (6+ hours) and cold (18+ hours) temperature retention.
3. Usage Instructions
3.1 Filling the Tumbler
- Ensure the tumbler is clean and dry before use.
- For hot beverages, carefully pour the liquid into the tumbler. Do not overfill; leave space for the lid.
- For cold beverages, add ice and then your desired drink.
3.2 Securing the Lid
- Place the Tritan lid onto the tumbler opening.
- Press down firmly and twist clockwise until the lid is securely sealed.
- Ensure the flip-top closure is in the closed position to prevent spills during transport.
Figure 4: The Tritan lid allows for direct sipping or straw use.
3.3 Transport and Compatibility
The tumbler's design is compatible with most vehicle cup holders, making it suitable for travel. Always ensure the lid is tightly sealed before placing it in a bag or vehicle.
Figure 5: Tumbler fitting securely in a car cup holder.
4. Care and Maintenance
- Hand Wash Only: To preserve the insulation properties and finish, hand wash the tumbler and lid with warm, soapy water.
- Avoid Abrasive Cleaners: Do not use bleach or cleaners containing chlorine, as these can damage the stainless steel and finish.
- Lid Cleaning: The lid is removable for thorough cleaning. Ensure all parts are dry before reassembling.
- Storage: Store the tumbler with the lid off to allow for air circulation and prevent odor buildup.
Figure 6: Removable lid design facilitates easy cleaning.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Beverage not staying hot/cold | Lid not sealed properly; extreme ambient temperature. | Ensure lid is tightly secured. Note that extreme temperatures can affect retention times. |
| Lid leaking | Lid not aligned or sealed; gasket issue. | Re-seat the lid, ensuring it's properly aligned and twisted on. Check the silicone gasket for damage or misalignment. |
| Metallic taste | New product residue; improper cleaning. | Wash thoroughly with warm, soapy water before first use. Ensure complete rinsing after each wash. |
6. Specifications
| Feature | Detail |
|---|---|
| Capacity | 20 Fluid Ounces |
| Material | 18/8 Stainless Steel (Body), Tritan (Lid) |
| Insulation | Double-Wall Vacuum Insulated with Copper Liner |
| Dimensions (W x H) | 2.5" x 7" |
| Weight | 12 ounces |
| Care Instructions | Hand Wash Only |
| Special Features | BPA-Free Lid, Sweat-Free Exterior, Cup Holder Friendly |
Figure 7: Product dimensions and Tritan lid features.
7. Important Safety Information
- Do not use in microwave, on stovetop, or in any type of oven.
- Keep out of reach of children when filled with hot liquids.
- Do not use carbonated beverages as pressure buildup can cause the lid to eject forcefully.
- Ensure the lid is securely fastened before drinking or transporting to prevent spills.