Come and Check Our Branding Solutions.TPE material, 18lbs pulling force, size with 1500x150x0.35mm(59x6x0.14 inces), 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.LARGE SIZE WITH 1800x150x0.45mm(71x6x0.18 inches)AND 30 LBS PULLING FORCE ARE PROVIDED, LIGHTLY DIFFERENT IN PRICE. Pls check inventory and detailed info before placing your orders.