The new biodegradable foam has more benefits beyond keeping our waterways cleaner. The new design out-performs the original plastic design in every way. Features: 30% Lighter: Easier, more efficient casting and delivery. Suspends 25% more weight on the water. Stealth: Neutral-colored post is less visible to fish, and the lighter overall weight lands softer on the water. Sensitivity: Better strike detection. Durability: No more leaks, dents, holes, cracks or pops! Easier to see leader slot when attaching. Hurts 38.6% less when you hit yourself in the back of the head on a forward cast.