fishnet help

Tarnea
Bit of a random post here, but my boyfriend recently told me that he thinks fishnets on a woman is really sexy! Which is fine by me as I'm more than happy to dress up. BUT I am finding it difficult to find any fishnet suspenders that fit. 
Let's say I'm a VERY curvy woman! I wear a size 20 but the majority of my weight sits on my bottom half and I have big thighs. 
Can anyone point me in the right direction to find fishnet suspenders for a plus size woman?
We're going away next week and I'd love to surprise him by wearing them! Any help would beappreciated!