Lot of 2 Lululemon tank tops with shelf bras size 6

Lot of 2 excellent used condition Lululemon tank tops with built in shelf bra Purple/white striped is a stash bra tank top (3 pockets on front of bra) Hot pink/black does NOT have the size sticker inside - I think it's a 6 and sizing/fit appears comparable to the other tank but there's a possibility it's a 4