What is the Studio Pro Resistance Trainer? The Studio Pro Resistance Trainer by Fitness Mad is a perfect addition to your stretching routine being both a safe & effective alternative to latex resistance tubes. How does the Studio Pro work? The Studio Pro consists of a latex tube encased by a nylon protection sleeve & is available in light, medium, strong or extra strong resistances. The resistance tube comes equipped with a 12 page 15 resistance training guide covering 19 exercises for a full body workout & stretching. Also included is a door attachment that means that you can transform the resistance trainer into a multifunctional home gym. Warning: This Studio Pro contains a latex tube inside a nylon protection sleeve.