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My frank green reusable leaks!Updated a month ago

Leaking can occur due to numerous factors, firstly, please ensure you are not filling your cup over the max line indicated on the external layer.

We recommend also checking that your metal straw is securely attached to the silicone tube on the underside of the lid and is pushed all the way down with the sipper closed.

Still leaking? Please get in touch via our contact form with your order number/proof of purchase and a video of the leak, clearly showing the source of the leak.

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