The 3i-2217-12DT is watertight and dustproof, and has a deluxe deep closed cell fitted foam liner, (4) heavy duty hinged dividers, (6) closed cell foam pads, and (1) heavy duty divider, all of which are Nylex-wrapped and designed with heavy duty hook-and-loop tabs to create the perfect fit. This case also features built-in wheels and a convenient pull handle for easy transport.