Harry Potter Insulated Tumbler - 850ml - Black

Stay refreshed in style with this 850ml insulated water bottle with straw, designed to keep your d...

Best current price£17.00from Debenhams

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DebenhamsHarry Potter Unisex Black Insulated Tumbler 850Ml Flip Up Metal Water Bottle Straw & Handle In
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Dorothy PerkinsHarry Potter Unisex Black Insulated Tumbler 850Ml Flip Up Metal Water Bottle Straw & Handle In
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Product Information

Full details

The Harry Potter Insulated Tumbler is designed for fans of the Wizarding World and commuters who need a reliable, high-capacity drink container that merges fandom aesthetics with practical hydration. Its primary benefit is the versatile double-wall insulation that keeps beverages at your preferred temperature for hours, though users should note that the 850ml size may be too large to fit in some standard cup holders.

All features

ColourBlack
Model Part Number5056789932280
BrandHarry Potter
Container Volume850ml

Extended Product Information

FAQs

Can I put carbonated drinks in this tumbler?

It is generally recommended to avoid carbonated drinks as the pressure buildup can cause leaks or spray when the straw is opened.

Is the tumbler dishwasher safe?

No, it is highly recommended to hand-wash the tumbler to protect the exterior graphics and the vacuum insulation seal.

How long will my water stay cold?

With proper lid closure, the double-wall insulation will keep your cold drinks chilled for up to 12 hours.

Does the tumbler contain BPA?

The materials used in this reusable tumbler are designed for safe, everyday food and beverage consumption.

Can I use the bottle without the straw?

Yes, you can simply unscrew the lid to drink, though the straw is designed for convenient sipping.

Will the graphics peel off?

If you hand-wash the product and avoid abrasive scouring pads, the graphics are designed to remain durable for long-term use.

Troubleshooting

Straw is not drawing liquid efficiently

Check that the straw is properly pushed into the lid port and ensure no debris is blocking the bottom intake.

Lid feels loose or leaks

Remove the lid and check the silicone gasket ring for debris or misalignment, then re-seat it securely.

Temperature is not holding as long as expected

Ensure the lid is screwed on tightly and the straw mechanism is closed; avoid leaving the lid off for extended periods.

Pros and Cons

Pros

  • Excellent temperature retention for both hot and cold liquids
  • Large 850ml capacity reduces the need for frequent refills
  • Fully leakproof screw-on lid ensures bag safety
  • Stylish design featuring iconic Harry Potter graphics
  • Easy-carry handle design for portability

Cons

  • The 850ml size may not fit in compact automotive cup holders
  • Hand-washing is recommended to preserve the exterior graphics
  • Straw components require regular cleaning to prevent residue buildup

Setup, Compatibility & Care

To get the most out of your Harry Potter Insulated Tumbler, ensure the screw-on lid is fully tightened before placing it in a bag. If using the straw, ensure it is firmly seated in the lid assembly to maintain suction. For maintenance, it is best to rinse the bottle and straw with warm soapy water after every use. Avoid placing the unit in a dishwasher, as the high heat and harsh detergents can damage the vacuum seal and fade the exterior graphics over time. Always air dry the bottle with the lid off to ensure no moisture remains inside.

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