Answer: The ellipses emphasize what the stuffing is made of.
Explanation: The two answers regarding hyphens can immediately be crossed off because only one hyphen is present in the excerpt and it is used only to describe the placement of an object. The ellipses (a series of three dots, ... , used to indicate an omission or a pause, or to bring attention to quality) are placed within the sentence describing the stuffing and its characteristics. Hope that makes sense:)