This is her skirt.
This skirt is hers.
This is her blouse. (Jessica's)
This is Jessica's blouse.
These are her jeans.
These jeans are hers.
These are their socks.
These socks are theirs.
This is your T-shirt.
This T-shirt is yours.
This is your swimsuit.
This swimsuit is yours.
This is his suit. (Mark's)
This is Mark's suit.
This is my raincoat.
This raincoat is mine.
These are our shoes.
These shoes are ours.
This is his cap.
This cap is his.