A packaging machine is described comprising: support means for at least two reels of wrapping material in plastic film, film opening means for wrapping a product to be packaged, a support, fixed or mobile, on which the product to be packaged is placed, sealing means of the film configured to seal two edges of the film and cutting means for the film so as to create a package for the product starting from a reel of single-folded material, wherein the film opening means comprise a film opening plate, arranged between the reel and the welding and/or cutting means, comprising at least two surfaces connected to each other at a first end located near the reel and spaced in the film unwinding direction to create the package, facing an operator so as to move the two edges away in the direction of the operator, enabling the creation of the packaging.