4 Balls is an easy in easy out toy for those who either like or want to play with bead style toys. Insertable Length: 4.75". Widest Point: 1.2". Neck Width: .8".
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.