plexiglass

Modifies a noun

• tube: A playing card is clamped between two plexiglass tubes which are connected together.
• window: I was lying in one of the side bunks that had a sort of plexiglass window on top of it.
• door: She was still in what was obviously the danger zone, sealed behind an unbreakable Plexiglass security door.
• box: The book is stored in a clear Plexiglass box with a sliding lid.