Are you looking for , yet laboratory balloon bladder? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our products, made of material, must meet you needs. It is one of the choices for you. Features - ColorLight Brown - Material: Rubber. - Size: 30.00X14.80X2.00 cm/11.79X5.82X0.79 inch. - This product is easy to carry, easy to operate, fast, and , wonderful for you to use. - The bladder can be used repeatedly, and the rubber material has super pressure bearing capacity. - The standard balloon bladder, you can rest assured to use the laboratory, reliable and excellent. - It is simple in design, but it's practical to use, which will give you fantastic use experience. - This gas sampling tool is very easy to use and simple to operate, giving you huge convenience. Package list: 1 x laboratory balloon bladder