Product description: Easy-to-use and addictive anti-stress toys that are easy to put in your pocket and take with you. Features smooth plastic surface , soft rubber buttons. Help yourself to concentrate: suitable for people with attention deficit / ADHD as well as for students, office workers and daily entertainment. Relieve stress and focus: great for attention deficit / hyperactivity disorder, autism or anxiety, perfect for students, office workers and daily fiddling. Very suitable for adults over 3 years old. Feature: Material: The buttons are made of 100% silicone;The frame is made of high-quality ABS plastic. Product size :7.5 x7 x0.8 cm Available Color :White