MATERIAL - food silicone chewy necklace, chew for sensory which is BPA , phthalate , lead . Product size:height - 2 inch, width - 2 inch, thickness - 1.4 inch.. VERSATILE DESIGN - Silicone sensory chew toys for autistic and is the natural way to calm & improve focus for anxiety, autism, ADHD, SPD or hand fidgeters.. DISCREET AND STYLISH DESIGN - Adjustable string & breakaway clasps make the autism chew toys sensory to use for most . Fashionable shark tooth design chewing necklace sensory chew toys easy to grab, not stuck in throat.. EASY TO CLEAN - Shark tooth sensory chew necklace is easy to clean in the dishwasher or by hand wash / rinse with just water. Freezer , these sensory can be a gift for with sensory needs.. Our sensory chewing necklace chewies for sensory have many different styles, Puzzle, Donut, Ice Cream, Teardrop, Feather, Stars, Mermaid, Lollipop, Butterfly, Fox and others. Diverts chewing from fingers and clothing, Boosts confidence and reduces anxiety.