Revival Systems resitance band set includes: 
 
➡️1 x red resistance band
➡️1 x black resistance band
➡️1 x purple resistance band
➡️1 x green resistance band
➡️the circumference of all bands are 2080mm 
 
➡️The yellow band has a resistance range of: 5lbs-15lbs
➡️The red band has a resistance range of : 15lbs-55lbs
➡️The black band has a resistance range of : 25lbs-65lbs
➡️The purple band has a resistance range of : 35lbs-85lbs
➡️The green band has a resistance range of : 50lbs-125lbs