SkechersGo Walk Lite - 136001 womens Ballet Flat

Why did the sketchers go walk light 136001 ballet flat natural color increase from $45 to $65 so quickly??The other color, gray is $45!,

Are these machine washable?

I am looking at the denim boat shoe style listed here in the first photo. Is this the style being sold in the dark denim or is it the ballerina style?

I can’t find the package wrapping for shoes Can you send me new package to return my shoes?