Resistance Band Set Fitness Tubes with Door Anchor, Ankle Strap, Exercise Chart, and Resistance Band Carrying Case, Highest Quality Resistance Cords Guaranteed Bands Included: Yellow: 2-4 lbs., Blue: 4-6 lbs., Green: 10-12 lbs., Black: 15-20 lbs., Red: 25-30 lbs Includes a door anchor, carrying bag, ankle strap and starter guide metal clipping system on bands for attaching to soft-grip handles or ankle straps multiple levels of resistance can be used with each f our bands. (4lbs-75lbs) Satsifaction gurantee , And Manufacturer warranty