Product Overview: The Momcozy Lactation Massager is a tool designed to help breastfeeding mothers relieve discomfort from clogged ducts and improve milk flow. Key Features: ‣ Multiple vibration modes to suit individual needs. ‣ Waterproof design allows for use in the shower. ‣ Rechargeable battery ensures portability. Specifications: ‣ Material: Medical-grade silicone. ‣ Size: Approximately 4 x 1.5 inches.