A taiko musuba (square knot), 2 part Nagoya type obi. Known as a tsukuri obi, tsuke obi or easy obi.
A pre-tied, taiko knot, nagoya obi. This obi comes complete with a makura obi bustle pad inside it
Obi should not be washed
Made and bought in Japan
Most obi, including pre-shaped taiko knot obi, require an obijime and obiage to hold the rear knot in place, which are always bought separately. With a taiko knot style obi, an obi makura (obi bustle pad) is usually worn inside the knot too
Please be aware that different monitors display colour slightly differently. Therefore the colour in the photos and description is a guide only

Condition:
Excellent - unused

Measurements approx:
Obi are one-size-fits-all items