These heads Colortone are made with another kind of film different from the original Emperor of Remo but the sound is incredibly similar.
Remo manufactures this series with its Skyndeep system that makes the pigment integrated into the movie so you don't have to worry because the color goes away or it deteriorates
The series Emperor is a series mythical in Remo and for decades have been preferred for many drummers for their control of harmonics and durability but that keep the character of the drum integrated.

About Remo 

Little to say about the it's been for decades the first brand for sale heads of drum and percussion. Remo has innovated in the world of the heads and indisputably has improved the sound of our drums. Today Remo continues to market new types of heads using the latest technologies.

For 60 years, Remo has led the development of head synthetic.
Remo D Belli in 1957 invented the first heads synthetic Mylar, Standard the current industry. Since then, Remo Inc. has constantly opened new paths regarding innovations in the industry.
It is impossible to highlight some artists the endless list of those who trust Remo for their tours and recordings.