Feature: 1.Materials:aluminium sheeting and wooden board, plastic corners and handles, foam-padded dividers. 2.Packing:each one into a polybags boxed a small carton, several pieces into a big carton. 3.HL-999 have a trolley which is  energy-saving and very convenient for carrying. 4.Functions: (1)Aluminium shell is moisture-proof and shock-preventing, it's solid and durable to protect your favorite cameras very well. (2)Flexible inner dividers is adjustable as you like