Shimano Neoprene Reel Cover features: *2-tone 3mm impact resistant neoprene materials. *Protect your valuable baitcasting reels with Shimano's new neoprene reel covers. *All sides made of neoprene to help absorb the bumps and scratches. *Design allows for reel covers to be mounted while the reel is on or off the rod. *Neoprene covers stretch to easily slip over reels.