The fabric in the bra is single jersey.The strech is very good and health to human body.For size,we can make diferent sizes The fabric in the bra is single jersey.The strech is very good and health to human body.For size,we can make diferent sizes , The fabric in the bra is single jersey.The strech is very good and health to human body.For size,we can make diferent sizes Blacm silk bra