Price is for 4 pcsBlack Curved ROAD STRIP( 1/4 Circle each piece )N scale 1:160self adhesive and self stickingjust peel off the back and press down for permanent installation on your layoutyou may use them to make different curve road Characteristicflexible and can be easily trimmed to desired size.Approx. Size: Dia of inside circle: 50mm, Dia of outside circle: 90mmReference Scale: for N scalePRODUCT DESCRIPTION Perfect for Road making in your layout....