Support means for sublimation decorations (2) comprise paper sheet means (4) arranged to receive on one face thereof (4a) said decorations (2), a further face (4b) of said sheet means (4) opposite the one said face (4a) being permanently associated with barrier means (5; 17, 18) arranged to hinder the passage of air through said further face (4b); a method for manufacturing support means (1) for sublimation decorations (2) comprises obtaining said decorations (2) on a face (4a) of paper sheet means (4), permanently associating with a further face (4b) of said sheet means (4) opposite the said one face (4a) barrier means (5; 17, 18) arranged to substantially prevent the passage of air through said further face (4b).