What does the sealed paper contain treasure island?

In "Treasure Island," the sealed paper contains a treasure map that details the location of Captain Flint's buried treasure on a remote island. The map is marked with an "X" indicating where the treasure is buried, sparking the adventurous quest of Jim Hawkins and the crew to find the riches. The discovery of this map sets off a series of events filled with intrigue, danger, and betrayal as various characters seek the treasure for themselves.