Professional magnetic spinning ring toys made of ABS grade plastic, hard and stable, not easy to deform, ergonomic grip, comfortable hand feeling, not slippery even for a long time., The magnetic fidget spinner toys help people sitting long reduce mental stress/anxiety and prevent depression by limited finger stretching and movement.With a fidget spinner, you can quit unwanted habits such as nail biting and smoking and improve your focus while studying, working or brainstorming by a simple flip and spin,