Big Bin SeriesM40 - M48 (131'-157' dia)Commercial SeriesM15 - M32 (49'-105' dia)Stiffened SeriesM9 - M15 (29'-49' dia)Unstiffened SeriesM5 - M15 (16' 5"-49' 3" dia) Our bins are offered in a multitude of sizes to ensure we will have the bin you need to meet your storage requirements.