The ramps are 30" wide and about a dozen different lengths available. See what length would work for you but I'd bet you could use either a 6,7, or 8 foot.
I have an 8ft but you could probably be fine with a 7ft.
They fold into 4ths and carry like a briefcase.
They're covered in grip tape and have a 2" lip on either side
Weight capacity is 800lbs.
A 7ft is $300
We also have a narrow motorcycle ramp that bifolds