The finger toy is made of ABS and silicone. The design of the simple dimple toy is made of 3 colors of silicone bubble in a plastic frame. The surface of the toy is smooth and does not hurt the skin. Pressing the bubbles creates a popping sound that relieves stress and anxiety. Dimple Toy is a portable game that you can take everywhere with you, it's light and portable. Great gift for kids with ADD/ADHD, OCD, autism. 2.95" L x 2.95" W. Add your company name and logo to promote your brand!