Seamless can

A thin-walled, deep-draw-ironed seamless can having a side wall portion, a bottom portion and a flange portion and comprising a laminate of a metal sheet and a biaxially stretched film of polyester or copolyester mainly comprising an ethylene terephthalate unit, wherein the thickness of the side wall portion of the can has been reduced to from 30 to 85% of the original thickness of the laminate, and the film layer on said side wall portion of the can has a parallel component orientation (D1) defined by the following formula (1) of 65% or more and a half width (Wh) of the peak at a diffraction angle 2.theta. of approximately from 14.degree. to 20.degree. falling within 1.8.degree.:

• ##EQU4## wherein A represents a peak intensity at 2.theta. of approximately from 24.degree. to 29.degree. in a corrected X-ray diffraction curve which is obtained by peeling a plurality of films from the side wall portion of a can, superposing the films in parallel with one another in the height direction of the can, applying an X ray (Cu-K.alpha.) to enter the film surface perpendicular to the height direction of the can, varying the angle of diffraction (2.theta.) within the surface including the incident X ray and perpendicular to said height direction to obtain an X-ray diffraction curve and, in the X-ray diffraction curve thus obtained, drawing a base line connecting troughs and feet between peaks in the range of 2.theta. of from 10.degree. to 60.degree. to obtain a corrected X-ray diffraction curve;
• and B represents an intensity from the base line in the range of 2.theta. of approximately from 14.degree. to 20.degree. in said corrected X-ray diffraction curve.