Goody Comb Super Detangling 8.5 ([Pack of 2 - Assorted Colors)

Does each comb have 2 rows of bristles ?

Dimensions of comb?

What colors are these combs? Do you get one red and one black like the photos or do they send you random colors?

Are the teeth not only staggered but also wavy, where they bow out at the base and come together at the top where they first touch your hair?