Collocations for wrapper - noun

candy (AmE), candy-bar (AmE), chewing-gum, chocolate (esp. BrE), chocolate-bar (esp. BrE), gum, sweet (BrE)
food
Cellophane™, foil, paper, plastic
plain
The book arrived in a plain brown wrapper.

empty

remove, take off, tear off
discard, drop, throw away, toss (esp. AmE)
He dropped the gum wrapper on the floor.

litter sth
Chocolate bar wrappers littered the floor.

in a/the wrapper, on a/the wrapper
There was a list of ingredients on the wrapper.

out of a/the wrapper
She took the chocolate bar out of the foil wrapper.