These irritable toys are made of durable and high quality ABS material. Life is not stressful! Proven to help restless hands while improving productivity, creativity and focus, it liberates your mind. This convenient toy and treatment aid is great anxiety, concentration, attention deficit hyperactivity disorder, autism and insomnia, as well as stress and boredom. This is a perfect promotional gift, fun! There are 6 colors to choose from. Keep the fun in your palms and bring them wherever you want. The design age is five years old and above. Customize your logo and information to increase brand exposure. Focus your sales efforts on today's essential products.