It was made from Crayola Model Magic clay it should be 100% water proof as it was glossed very well with multiple layers but should not be played with roughly as it is a little more fragile than standard plastic. You will receive the EXACT model shown in the images! I do also take custom art commissions, please visit my website or email Phoenixlugia[at]yahoo.com with "custom pokemon" in the title.
You're very talented, by the way. Lovely.
I should get to making more of the style I used for ekans though, one day I expect to make a new vaporeon ^^