supply plastic caps of 20MM ,32MM, 42MM, 47mm ,56mm etc. 
It is a good choice for 1L to 20L tin cans 
 

1 supply plastic caps of 20mm ,32mm, 42mm, 47mm ,56mm etc.
2 the plastic cap is convenient and flexible to fix in the metal tins and cans
3 the plastic cap can produce with different color, according to client custom-built trade mark
4 It is a good choice for 1 litres up to 20 litres metal tins and cans