Description The Primal Pro Series Power bands offer four different sizes of durable resistance bands. The Red 15mm band is ideal for stretching and lighter power work, the black and purple 22/32mm bands are great for single training exercises, assisting chin-ups, and overload training when added to a rack and/or bar, and the green 45mm band is perfect for more experienced athletes and ideal for heavy-duty rack pulls and heavy squat or power work. Primal Strength Power Bands are backed by a 1-year commercial use warranty. Features Heavy-Duty Power Bands Four Sizes; 15mm, 22mm, 32mm, 45mm Colour-Coded, Premium, Layered-Latex Rubber Designed for Stretching, Strength & Power Training 1-Year Commercial Warranty Power Bands are great for: Power Training Quickly Increasing Weight to the Top Part of Lifts Overload Training When Attached to a Rack or Bar Assisting Pull-Ups Stretching & Agility Great for Upper and Lower Body Circuits Providing an adaptable solution for working out when travelling Specifications Warranty Home and light commercial use - 12 months