With Controller - A toy attached by a wire to a controller. The controller regulates the speed and vibration of the toy and requires batteries to operate.
Silicone - Silicone is a synthetic compound best known for its ability to retain heat. Silicone is non porous which makes it hypoallergenic and easy to clean and sterilize by boiling or putting it in the dishwasher. Silicone has no detectable odor.