These high quality reel covers are made from a thick neoprene material that will not only protect your reels from getting dusty when stored, but also protect them when you're tromping through the bushes! All models feature a velcro closure and rugged stitching all the way around. Covers are made to accomodate being still on the rod....you can leave your reels in place and STILL protect them! - Small size fits Ambassadeur reels size 6600 and under, Shimano Calcutta 400 and smaller round reels, Daiwa Millionaire series, Penn 955/965, Okuma Nitryx, etc. - Medium size fits Ambassadeur 7000, 8000, 10000, Shimano CT700, TLD10,15 & 20, Penn 975/975LD, Daiwa SL series up to 400H, Okuma reels to 40 size. - Large size fits most reels up to the size of a Shimano TLD30 or Penn International 30. - Fly model is large enough to fit a larger centerpin reel and measures about 4" across.