The Baby Einstein Ocean Explorers Sea of Sensory teether is a set of 4 ocean-themed teething toys that help soothe baby℃s sore gums and engage baby with vibrant colors and unique textures. Features 4 textured sea animal teethers, 2 of which are water filled and chillable for extra teething relief. Large, textured shapes are easy for baby to grasp, and multiple textures and bright colors stimulate baby℃s senses. C ring attaches the teether set to carriers, strollers, and diaper bags for soothing on the go. Gender neutral design. Wipes clean.