The CLASS bin is made of galvanised steel EN10346DX51D+Z, T. 15/10. On the main body there are 10 rows of holes, Ø 5 mm, made by punching. The bottom consists of a pressed steel EN10111DD11 sheet plate, on which there are 4 holes, Ø 10 mm, for fixing. The base is 70 mm high and it has a diameter of 455 mm. The inner bin-liner holder is in steel EN10111DD11, T. 20/10 H 40 mm and Ø 430 mm, and on the upper part eight spikes, 25xH 30 mm R 5, are obtained through a laser cut. It is then fixed to the main structure with four sheet plate brackets, T. 20/10, fastened through a bayonet system. The cover, Ø 545 and H 40 mm, is characterised by a central opening, Ø 200 mm, and it consists of a strong hinge, T. 3 mm, welded to a reinforcing steel EN10111DD11element. On the body of the bin there is a reinforcing bracket, T. 3 mm, welded to the fixing system of the hinge. All the elements are made of galvanised and polyester powder coated steel.