JustgooWomens Sexy G-String Micro Back Thongs Panties Underwear Low Rise T-Back Underpants

Do these run big or small? My wife has big bum

Hi. I wear 0-2 in a regular pantie , should i get small?

Are these stretchy at all? is there any give? i wear a medium in vs vstrings. should i got with med or lg?

Are these stretchy at all? Just trying to figure out if i need a med or large