These push pop fidget toys are made of high quality silicone, soft, comfortable, flexible and durable, feel soft and comfortable,This poke pop toy is a great sensory fidget tool, perfect for people with autism or stress, the pop bubble would helping them relieve from anxiety.The sensory fidget toy just press the mouse bubbles sown and they make a slight popping sound, then flip it over and start again, it is not comparable to bubble wrap in sound, but it also give you endless fun.