This bubble fidget sensory toy is made of high quality silicone material, soft and reusable. These bubble sensory toys are reusable and durable. It' s soft, comfortable, washable, durable, and it can be repeatedly pressed for a long time. You can use it in a car, in a plane, during camping, at school, in the office and any other places. Size 4.9 " x 4.9 " x 0.6 "