Breathable: double elastic design, good air permeability. Shockproof: neoprene used in the reel case is a kind of thick material, and the unique elasticity gives the reel better shock absorption, protecting your baitcaster from scratches and damage even in the back of your trunk. Snug Fit: the special mesh design has good elasticity, and widens the reel cover's inner space, making it better fit your fly reel, and this design also improves its protection performance. Material: neoprene, widely used in fishing gear, is durable, has long-lasting service, the same material as the roller baitcaster reel pouch, adding to the extra comfort. Fits 50,100, 200 Series Low Profile Casting Reels. Please look at the dimensions carefully before your purchase.