Decoration sleeves as protective and appropriate gift box for congratulations sea charts. It's made of cardboard tubes, which are laminated with a sea chart design. The floor is made of sheet metal and is firmly connected to the sleeve. The cap is shaped from sheet metal.
The decoration sleeve can also be used for storing other products or gifts. They have an inner diameter of about 73 mm, a height (inside) of 405 mm and a wall thickness of 1.1 mm.