A swing includes: a pair of upright stands having top end portions; a transverse rod having two opposite end portions that are respectively secured to the top end portions of the stands; a pair of pivot sleeves sleeved respectively on the end portions of the transverse rod and rotatable on the transverse rod about an axis defined by the transverse rod; a seat frame disposed between the stands and below the transverse rod; and a pair of arcuate rods that extend curvedly from the seat frame and that are respectively secured to the pivot sleeves.
