K-SwissUnisex-Child Classic Vn Sneaker, Medium, Black

how do these sneakers hold up to machine washing and dryer? or should it only be hand washed and left to stand to dry

Why does it say special toddler size? If I get the big kid 7 W, that’s not for toddlers, is it?

Do these shoes have arch support?

I wear a size 8 in women what size should i get in kids?