Custom 18oz 304 Stainless Steel Insulated Flask with Handle
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Description









FAQ
A: The flask holds 18 fluid ounces, which converts to approximately 532 milliliters. This size is perfect for a workout session, a day at the office, or a short hike, providing enough hydration without being too bulky to carry.
A: Yes, the bottle is constructed from premium 304 stainless steel, which is a food-grade, BPA-free material. It is completely safe for all types of beverages, including acidic drinks like lemonade or coffee. The steel does not leach chemicals or impart any metallic taste, ensuring your drink tastes as intended.
A: The double-wall vacuum insulation is designed to keep cold beverages cold for up to 24 hours and hot beverages hot for up to 12 hours, depending on the initial temperature of the liquid and how often the bottle is opened. For best results, preheat or pre-chill the bottle before filling.
A: Absolutely, customization is a key feature. You can add logos, text, or artwork via screen printing, laser engraving, or custom decals. For personalized orders, contact our customer service team with your design file and quantity. We will provide a quote and artwork proof before production. Minimum order quantities may apply for custom printing.
A: While the stainless steel is durable, we recommend hand washing with mild soap and warm water to maintain the appearance of the outer coating and the integrity of the vacuum seal. The wide mouth allows easy access for cleaning. If you choose to use a dishwasher, place it on the top rack with a gentle cycle, but note that over time this may cause fading of custom logos or wear on the finish.
A: We provide a 1-year warranty against manufacturing defects such as vacuum failure, lid malfunction, or handle detachment due to poor workmanship. It does not cover damage from drops, misuse, or normal wear. To make a claim, contact our support team with your order number and a description of the issue. We will arrange a replacement or refund as applicable.
A: Orders are shipped via standard ground service within 1-2 business days after processing. Delivery usually takes 5-7 business days within the United States. For international orders, shipping times vary by destination. Expedited shipping options are available at checkout. All packages are tracked, and you will receive a tracking number via email.
Packing Information
| Item | Details |
|---|---|
| Packing Quantity | 1 |
| Packing Options | Bubble bag + White box / Egg crate or customized |
| Sample Time | One week |
| Product Weight | 1000 g |
| Product Dimensions (LxWxH) | 12 x 12 x 37 cm |
Usage Instructions & Precautions
Usage Instructions
- Before first use, wash the bottle and lid with mild soap and warm water. Rinse thoroughly.
- For best insulation, preheat or pre-cool the bottle by filling with hot/cold water for 5 minutes before use.
- Fill with desired beverage and close lid tightly to maintain temperature.
- Avoid overfilling to prevent leakage when closing.
Precautions
- Hand washing is recommended to preserve the outer coating and vacuum seal. Dishwasher use may damage the finish over time.
- Do not microwave or put in freezer.
- Do not use abrasive cleaners or scouring pads.
- Avoid dropping or subjecting to strong impacts.
- Keep away from children when containing hot liquids.
- Check lid seal regularly for wear.
Available Options
Capacity: 18 oz (532 ml)
Colors: Pink, Sky Blue, Celadon, Creamy, Purple, Green, Black, Yellow
Packaging & Delivery
-
Selling Units:
piece
-
Single package size:
12 x 12 x 37 cm
-
Single gross weight:
1000 g
-
Packing gross weight:
1.27 kg
-
Packing net weight:
1 kg
-
Packing quantity:
1 piece
-
Quantity(piece) 1 - 100000 >100000 Est. Time(days) 30 To be negotiated
Quick Details
| Place of Origin | Zhejiang, China |
| Brand Name | OEM/ODM |
| Model Number | HLAS-350B-2 |
| Weight | 1000 g |
| Style | Classic |
| Material | 304 Stainless Steel (Bottle), BPA-free Plastic (Lid) |
| Capacity | 18 oz (532 ml) |
| production | Custom Insulated Flask |
| Feature | Portable, Eco-Friendly, Leak-Proof, BPA Free, Double Wall Vacuum Insulated, Thermal Insulation, Wide Mouth, Custom Logo Available, Handle, Surface Decals Options, Logo Printing Options |
| Shape | With Handle |
| Application | Car, Outdoor, Office, Hiking, Camping, Cycling, Travel, Gym Sport |
| drinkware type | Vacuum Flasks & Thermoses |
| applicable people | All |
| thermal insulation performance | 12-24 hours |
| Bottle Type | Vacuum |
| occasion | Travel |
| Type | vacuum insulated |
| Boiling Water | Applicable |
| Accessories | WITH LID |
| Packaging | Bubble bag + White box / Egg crate or customized |
| Sample time | One week |
| Dimensions | 12 x 12 x 37 cm |
| Warranty | 1-year warranty against manufacturing defects |

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