Pop it fidget toy large, Press the bubble to make it pop and it makes a slight pop noise. Just like bubble wrap that your child can use over and over. Addictive for kids and adults. Great tool for relieving stress. My pop it fidget toy's are made from a high grade silicone material that is safe and non toxic, pop it fidget toy large size approx 12.5 cm. Price is for the set of 2.