NikeMen's Perforated Reversible Belt

Do you have any documents to check if it's a genuine product? If you have, can you send it to me?

Color: White - Perforated belt - Holes are all the way through the leather / belt???

Hello! I'd like to know the length of each size 32,34,40 (including buckle).

is this 38mm or 35mm width?