The BJJ rank belt from ZEBRA is built to the highest standards. 
The belts are 4cm wide and 0.5 cm thick, length is subject to the size (J00-J4) that you buy. 

• BJJ Belt with black bar for promotional stripes.
  
  Belt lengths:
  J00 = 191cm
  J0 = 211cm
  J1 = 229cm
  J2 = 252cm
  J3 = 270cm
  J4 = 290cm