Custom 20oz Double Wall Insulated Stainless Steel Tumbler
- Double wall vacuum insulation keeps drinks hot or cold for hours.
- Customizable with your logo for branding or gifts.
- Premium 18/8 stainless steel – rust-proof, durable, and BPA-free.
- Sweat-proof design with a snug fit for most cup holders.
- Ideal for coffee, tea, water, and on-the-go hydration.
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Description





FAQ
A: The 20oz tumbler stands approximately 7.5 inches tall with a base diameter of about 2.8 inches tapering to a wider mouth. It weighs roughly 0.8 pounds when empty. These dimensions ensure it fits comfortably in most standard car cup holders. The exact measurements may vary slightly due to the custom manufacturing process for bulk orders.
A: While the tumbler is constructed from durable stainless steel, we recommend hand washing to preserve the vacuum insulation and any custom logo or design. Dishwasher cycles, high heat, and abrasive detergents can degrade the vacuum seal over time and may damage the surface finish. To maximize longevity, wash with warm soapy water and a soft sponge.
A: Yes, the 18/8 stainless steel is safe for all beverage types including carbonated soft drinks, milk, juice, and iced coffee. The non-reactive inner surface does not retain flavors or odors. However, we advise against leaving carbonated beverages sealed for extended periods inside the tumbler, as pressure buildup can cause leakage or difficulty opening the lid. Always open slowly.
A: Our stainless steel tumblers come with a one-year warranty against manufacturing defects, including vacuum seal failure, lid cracks, and finish peeling under normal use. The warranty does not cover damage from misuse, drops, or unauthorized modifications. Customized items are covered for the base product only. Please contact our support team with your order number to initiate a warranty claim.
A: For standard bulk orders without customization, shipping typically takes 5-7 business days within the US. Custom orders with logo or design require an additional 7-10 business days for production depending on the complexity and quantity. Samples can be expedited and shipped within 3-5 business days. We provide tracking information once the order is dispatched. International shipping times vary based on destination.
A: Yes, the tumbler body is available in a range of solid colors including matte black, white, navy, red, and silver as standard options. Custom powder coating or dual-tone finishes can be arranged for larger wholesale orders (minimum 500 pieces). The lid is typically offered in matching or transparent plastic. Provide your preferred color when requesting a quote.
A: Absolutely. We offer sample units of both the blank tumbler and custom-printed samples at a nominal fee. The sample cost is deducted from your first bulk order if placed within 30 days. Samples are typically shipped within 1-2 business days. Contact our sales team to arrange a sample that matches your intended design and color choice.
A: The included clear lid features a sliding mechanism with a secure seal to help prevent spills during moderate movement such as walking or driving. However, it is not 100% spill-proof if the tumbler is turned upside down or shaken vigorously. For maximum leak resistance, ensure the slide is fully closed and the lid is twisted tight. We also offer an optional splash-proof lid for active use.
Packing Information
| Packing Type | Details |
|---|---|
| Standard Packing | Each tumbler wrapped in PP bag, then packed in a master carton. Quantity per carton varies based on size and order. |
| Custom Packing Options | Available options: PP bag, paper+white box, gift box, or cylinder box. All options are packed into a master carton for bulk shipping. |
| Sample Packing | Samples are individually packed and shipped within 5-7 days. Contact for more information on sample packing. |
Usage Instructions & Precautions
Usage
- Suitable for both hot and cold beverages including coffee, tea, water, and iced drinks.
- The tumbler fits most standard car cup holders thanks to its tapered design (base diameter 2.8-3.0 inches).
- Use the included lid and straw for easy sipping. The lid helps maintain temperature and prevents spills.
Care & Maintenance
- Hand washing is recommended. Use warm soapy water and a soft sponge.
- Do not use abrasive cleaners, steel wool, or place in the dishwasher as these may damage the vacuum seal and exterior finish.
- Rinse thoroughly and dry with a soft cloth immediately after washing.
- Avoid dropping or rough handling to prevent dents and maintain insulation performance.
Safety Precautions
- This product is made from 18/8 stainless steel and is BPA-free. It is food safe and does not leach chemicals.
- Do not microwave or put in freezer. Not intended for carbonated beverages as pressure may build.
- Keep out of reach of young children when containing hot liquids to avoid burns.
Available Options
Sizes
- 20 oz – ideal for daily coffee or tea
- 30 oz – perfect for longer hydration or larger beverages
Colors
- Matte Black
- White
- Navy
- Red
- Silver
- Custom color available – provide your Pantone code for a precise match
All options share the same premium 18/8 stainless steel construction and double wall vacuum insulation. Custom powder coating or dual-tone finishes available for larger wholesale orders (minimum 500 pieces).
Packaging & Delivery
-
Selling Units:
piece
-
Single package size:
7.5 x 7.5 x 18 cm
-
Single gross weight:
2 kg
-
Quantity(piece) 1 - 3000 >3000 Est. Time(days) 35 To be negotiated
Quick Details
| Place of Origin | Zhejiang, China |
| Material | 18/8 Stainless Steel (304 grade), Double Wall Vacuum Insulation |
| Delivery time | 35-40 days after down payment (custom orders) |
| Capacity | 20oz / 30oz |
| Logo | Custom Logo (Laser engraving, silk screen, heat transfer, gas transfer) |
| Usage | Drinking (Hot and Cold Beverages) |
| Color | Customized according to Pantone code (standard colors: Matte Black, White, Navy, Red, Silver) |
| Description | Food Grade, BPA Free, Rust-proof |
| Packing | PP bag / Paper+white / gift box / cylinder box + Master carton |
| Feature | Sustainable, Double Wall Vacuum Insulation, BPA Free, Sweat-proof |
| Shape | With Lid |
| drinkware type | Mugs |
| occasion | Giveaways, Daily Use, Travel, Office, Home |
| Type | Coffee Mugs |
| Accessories | With Straw |
| Design Style | Minimalist |
| Customized Packing | PP bag / Paper+white / gift box / cylinder box + Master carton |
| Sample information | Sample delivery time: 5-7 days (expedited 3-5 days available) |
| Insulation performance | Hot drinks 6-8 hours, Cold drinks 12-16 hours (ice retention) |
| Weight | Approximately 0.8 lbs (20oz empty) |
| Warranty | 1 year against manufacturing defects |
| Dimensions | 7.5 inches tall, base diameter 2.8 inches (20oz) |

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