Training tube set with various resistance levels. - Brand: TheFitLife - Exercise band types: Extra Heavy, Heavy, Medium, Light - Weight range: 54kg-79kg, 45kg-54kg, 23kg-34kg, 6kg-11kg - Instruction manual: Included - Colors: Green, Purple, Black, Red Thank you for looking. I have used the purple and green ones a few times for pull-ups, but I haven't used the red and black ones at all. I will ship them without the box.