Student or Learner
Doesn't it have to be "wrapping paper" instead of "wrapped paper"? The writer seems to have made a mistake.
ex)...Think about what makes a great party and how much stuff gets thrown away afterward. Use recycled materials for costumes, decorations, and wrapped paper. Provide locally grown organic food,...
Yes, this seems to be a mistake. Gifts are wrapped in wrapping paper.
not a teacher