I bought this last year, thinking it might suit my son who has a habit of twisting his hair while studying, but he only touched it for about 10 seconds and it didn't seem to be a good fit. He barely used it. The following is an excerpt from the Amazon purchase site: 【Comfortable Silicone Material】This stress relief item is made of high-quality, soft silicone, with a delicate and skin-friendly feel. You can knead and squeeze it repeatedly, and it is durable and washable. 【Multiple Stress Relief Functions】The stress relief item stimulates the sense of touch with its delicate texture and soft feel, which is effective in relieving anxiety and stress. It reduces unconscious actions such as nail-biting and improves concentration and emotional stability. 【Convenient to Carry and Use Anytime】The squeeze toy is lightweight and compact, and can be carried in a pocket, backpack, or pencil case. It helps to relax your mind and body anytime, anywhere, such as during breaks at the office or in class, or during your commute. 【Suitable for All Ages】The silicone squeeze toy is suitable for adults as a stress relief tool at work, as well as for children's sensory training and attention development. It is a practical tool that can be used in various situations, such as at home, school, and the office. 【Excellent Gift Choice】The infinite bubble wrap comes in multiple color variations and is beautifully packaged, making it perfect as a gift for friends, family, colleagues, and students. It combines practicality and fun, and can convey thoughtfulness and care.