The Bath & Body Works Bright Christmas Morning Wallflowers Refill Bulb 4-pack is a set of small glass and plastic wall plug-in diffusers designed for aromatherapy. This product features an assorted/mixed scent, making it perfect for creating a festive atmosphere during the Christmas season. Each bulb contains 0.8 fl oz of oil and can be used as a deodorizer and odor eliminator. The traditional style and bright scent make it an ideal addition to any room in your home for a fresh and inviting aroma experience.