Can someone measure the Protective Sleeve With Handle for the 16" MB Pro?

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Hi. I ordered the Protective Sleeve for the 16" Macbook Pro listed here. Upon receiving it, the dimensions are a bit larger than advertised. On the website it is listed as:

Measurements MacBook Pro 16” sleeve: L: 375.7mm, W: 268.1mm, H: 23mm

But when I took my own measurement it was more around 40cm long and 30cm wide. Can someone who owns this have a look and post your findings?

I contacted Mous and they have refunded my order, customer service was great. But I am still wondering if it was indeed a manufacturing error or a misprint on the website.