What are the specifications of pink ball used for India's 1st Day-Night Test?

The pink ball being used for India's first-ever Day-Night Test has been manufactured by SG. It has a circumference within 22.5 cm and is made from imported leather. The inner core of the ball is made of cork and rubber. The ball weighs 156 grams and takes eight days to prepare as compared to two days for the red ball.