enclosed
en-closed
adjective
Surrounded or shut in on all sides; contained within a boundary.
"The garden was enclosed by a high wall."
adjective
Sent along with other items in the same envelope or package.
"Please find enclosed the completed application form."
Thesaurus
Synonyms: encircled, boxed-in, fencelike, closed, boxed, included, basined, involved, capsulate, clathrate, capsulated, surrounded
Antonyms: unenclosed