550ml 304 Stainless Steel Insulated Flask with Straw Lid

550ml Vacuum Flask 304 Stainless Steel Insulated Water Bottle with Straw Lid

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550ml 304 Stainless Steel Insulated Flask with Straw Lid

550ml Vacuum Flask 304 Stainless Steel Insulated Water Bottle with Straw Lid

Item No. X68013103
MOQ 500 piece

Available Options

color
capacity
Samples: $5.00 /piece .  |  1 piece. Max.available    Order Sample

Frequently Asked Questions

Q: What is the capacity and material of this vacuum flask?
A: The flask has a capacity of 550ml (approximately 18.6 oz). It is made of 304 stainless steel, which is food-grade, rust-resistant, and durable for everyday use.
Q: How long does the vacuum insulation keep drinks hot or cold?
A: The double-wall vacuum insulation typically keeps hot drinks hot for 6-12 hours and cold drinks cold for 12-24 hours, depending on the initial temperature and ambient conditions. For best results, preheat or pre-chill the flask before use.
Q: Is the straw lid included and is it leak-proof?
A: Yes, the straw lid is included. The lid is designed to be leak-proof when properly closed, making it suitable for carrying in bags. However, for maximum spill resistance, ensure the straw is fully retracted and the lid is screwed tight.
Q: Can I put carbonated or dairy-based beverages in this flask?
A: It is not recommended to store carbonated drinks (like soda or sparkling water) as pressure buildup may cause leakage or lid damage. Dairy products (milk, yogurt drinks) should be consumed within a few hours to avoid bacterial growth due to the insulated environment.
Q: How should I clean the flask and straw lid?
A: Hand wash with warm soapy water and a soft sponge. Avoid abrasive cleaners or steel wool to prevent scratching. The straw lid can be disassembled for thorough cleaning; use a small bottle brush for the straw. Do not microwave or put in the dishwasher unless specified.
Q: What warranty or return policy do you offer?
A: We offer a 30-day money-back guarantee for quality-related issues. The flask is covered by a one-year warranty against manufacturing defects (e.g., vacuum failure, lid cracks). Please contact our customer service with your order number for assistance.
Q: Do you ship internationally and what are the shipping costs?
A: Yes, we ship worldwide. Shipping costs and delivery times vary by destination. Standard shipping takes 10-20 business days. Expedited options are available at checkout. Free shipping may apply for orders over a certain amount, depending on your region.
Q: Can I get a custom logo or engraving on this flask for promotional purposes?
A: Yes, customization is available for bulk orders (typically 50+ units). Options include laser engraving, screen printing, or custom-colored lids. Please contact our sales team with your design and quantity for a quote and lead time.

Packing Details

Package Dimensions (L x W x H)24 cm x 7 cm x 7 cm
Single Package Weight2.0 kg
Packaging TypeGift Box
Quantity per Carton12 pcs (estimated, based on standard export packing)
Carton DimensionsApprox. 50 x 30 x 30 cm (depending on packing method)

How to Use and Maintain Your Flask

Preparation: For optimal temperature retention, preheat the flask with hot water (or pre-chill with cold water) for 1-2 minutes before filling.

Filling: Fill with desired beverage, leaving a small gap at the top to ensure proper sealing. Close the straw lid securely. For hot drinks, use caution when opening to avoid steam burns.

Cleaning: Hand wash thoroughly after each use. The straw lid can be disassembled (separate straw and lid components) for deep cleaning. Use a soft brush for the straw. Do not immerse the entire flask in water if the lid is not completely dry. Avoid abrasive cleaners.

Precautions:

  • Do not microwave the flask or any part of the lid.
  • Do not place in dishwasher (unless manufacturer explicitly states dishwashable).
  • Do not store carbonated beverages or dairy products for extended periods.
  • Avoid dropping or puncturing the vacuum seal.
  • Keep out of reach of children when containing hot liquids.

Available Colors

This flask is available in the following standard colors. Custom colors can also be ordered for bulk purchases.

  • Red
  • Grey
  • Yellow
  • Black
  • White
  • Selling Units:

    piece

  • Single package size:

    24 x 7 x 7 cm

  • Single gross weight:

    2000 g

  • Quantity(piece) 1 - 300 >300
    Est. Time(days) 9 To be negotiated
Place of Origin Zhejiang, China
Weight 2000g (with packaging)
Style Japandi
Material 304 Stainless Steel (food-grade)
Capacity 550ml (18.6 oz)
Color Customized colors available (standard: Red, Grey, Yellow, Black, White)
Product Type Outdoor Travel Cup
Features Portable, Eco-Friendly, Large Capacity, Business Gift Ready
Shape Handgrip
Application Car, Office, Home Use, Outdoor, Gift, Hiking
drinkware type Vacuum Flasks & Thermoses
applicable people All
thermal insulation performance Hot: 6-12 hours, Cold: 12-24 hours
Bottle Type Vacuum Flask
occasion Business Gifts
Type Vacuum Insulated Flask
Boiling Water Yes
Accessories Straw Lid (leak-proof)
Packaging Gift Box
Model No HLB-550-2

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