Compared to humans, Equestrians are pretty big.
On average they're a bit taller.
For the most part they're a bit bulkier.
And since they're ponies, they're pretty well endowed.
Your wife especially.
After months of searching your wife has finally found a company willing to produce a toy big enough to handle her larger proportions. Now that it's here, you're not passing up an opportunity to help her break it in.

Contains: Futa, anthro, your waifu