Manjha is a type of string used in kite flying, and Bareilly is known for producing high-quality manjha, often favored by kite enthusiasts due to its strength and sharpness. The "2 Reel 2000 Yard" part refers to the amount of string—two reels, each containing 2000 yards of manjha, which would be a substantial amount for kite flying events.
Here’s what your specification means: