MATERIAL: Made of rubber, with excellent expansion and recovery.Recommended inflation for daily use: 30 PSI !!<br> SIZE: The diameter of the rubber plug is 1.75 IN in the non-inflated state. The maximum diameter expands to 2.25 IN when 40 PSI air pressure is applied.<br> PRODUCT DESIGN: The copper valve core wrench can loosen the internal valve core when deflation is needed. Deflation is convenient and quick. The 2.34 IN ring diameter prevents the rubber plug from falling into the pipe when deflated<br> EASY AND CONVENIENT TO USE: Just insert the inflatable plug ball into the drain pipe, slowly inflate it with a standard bicycle pump, then drain the water into the pipe and start testing. When the pipe plug balloon is deflated correctly, just pull it out.<br> APPLICABLE SCENARIOS: Pipe test balloon plugs are very suitable for shower drains/floor drains/bathtub pipes/bathroom pipes/toilet tees/swimming pool pipes/underground drains/underground sewage pipes<br> Colour:As Shown<br> Material:rubber<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br> Package Contents:<br> 1 * 2in Rubber Test Ball Pipe Plug<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!