Come and Check Our Branding Solutions.TPE material band, included five different color band, different colors and sizes has different pulling force, and detailed information as following (with same length 600mm and width 50mm, but different thickness): Color green, thickness 0.3mm, 10 to 15 lbs pulling force; Color blue, thickness 0.5mm, 20 to 25 lbs pulling force;Color yellow, thickness 0.7mm, 30 to 35 lbs pulling force;Color red, thickness 0.9mm, 35 to 40 lbs pulling force; Color black, thickness 1.1mm, 45 to 50 lbs pulling force. Good elasticity, strong recovery. It makes you feel confident and comfortable while stretching. The bands can go anywhere with you, for workouts at home, outdoor, office, gym or when travelling. The price is on your hand price.IF YOU NEED TO ORDER A SINGLE SIZE, PLS CONSULT YOUR CLIENTS. Pls check inventory and detailed info before placing your orders.