8.5 inch long (22 cm), and an incredible 4.75 inch thick (12 cm).Buy this one only when you’ve taken a measurelint before so you know what a giant plug this is. Then you don’t have to come back to us with the statement that it’s too thick!This is the SUV of plugs. Big, handles well in the curves, has comfortable seating for one and a low price tag. With this plug you will be able to create your own wide garage to park it in. Bright red soft phthalate-free vinyl. The underpoured wide baseplate sucks really good.