A 20 mm (0.78 inch) center ball with a diameter of  100 mm (4 inches) from tip to tip of tentacles.
The plastic formula is highly durable elastomeric for tear resistance.
The formula is designed for soft action making the tentacles freely move and create improved action.   
The soft formula is resistant to deformation at elevated temperatures.   However, extreme temperature should be avoided.
The Magnum 20 has 7 pro selected colors and comes 2 per box.   
The size of this bait draws strikes from big fish.    It is designed for catching the biggest bag on tournament day.