A spacer profile extending in a longitudinal direction Z and comprising a spacer body, said spacer body comprising: - an inner wall having a first width, said inner wall being perpendicular to the longitudinal direction Z, - an outer wall having a second width, said outer wall and said inner wall being separated by a first distance d1, - two side walls (13, 14) having a height h, said two side walls being separated by a second distance d2, - the inner wall, the outer wall and the two side walls (13, 14) together are forming a chamber suitable for containing a desiccant, - optionally the spacer body further comprises two outer connection walls (15, 16) extending between said two side walls (13, 14) and said outer wall such that the inner wall, the outer wall, the two side walls (13, 14) and the outer connection walls (15, 16) together are forming the chamber suitable for containing a desiccant, - optionally the spacer body further comprises two inner connection walls (17, 18) extending between said two side walls (13, 14) and said inner wall such that that the inner wall, the outer wall, the two side walls (13, 14) and the inner connection walls together (17, 18) are forming the chamber suitable for containing a desiccant; wherein spacer profile further comprises a sealing element characterized in that the sealing element is in form of an elongated appendix wherein: - said elongated appendix is connected to the spacer body at a position being no more than 1/3 of the first distance d1 away from the inner wall - said elongated appendix extends in a direction from the inner wall and outwardly and forming an angle α with an extension line of the side wall between 3 and 60 degrees - said elongated appendix has a length L1 being no more than 1⁄2 of the height h of the side walls (13, 14). - an inner wall having a first width, said inner wall being perpendicular to the longitudinal direction Z, - an outer wall having a second width, said outer wall and said inner wall being separated by a first distance d1, - two side walls (13, 14) having a height h, said two side walls being separated by a second distance d2, - the inner wall, the outer wall and the two side walls (13, 14) together are forming a chamber suitable for containing a desiccant, - optionally the spacer body further comprises two outer connection walls (15, 16) extending between said two side walls (13, 14) and said outer wall such that the inner wall, the outer wall, the two side walls (13, 14) and the outer connection walls (15, 16) together are forming the chamber suitable for containing a desiccant, - optionally the spacer body further comprises two inner connection walls (17, 18) extending between said two side walls (13, 14) and said inner wall such that that the inner wall, the outer wall, the two side walls (13, 14) and the inner connection walls together (17, 18) are forming the chamber suitable for containing a desiccant; wherein spacer profile further comprises a sealing element characterized in that the sealing element is in form of an elongated appendix wherein: - said elongated appendix is connected to the spacer body at a position being no more than 1/3 of the first distance d1 away from the inner wall - said elongated appendix extends in a direction from the inner wall and outwardly and forming an angle α with an extension line of the side wall between 3 and 60 degrees - said elongated appendix has a length L1 being no more than 1⁄2 of the height h of the side walls (13, 14). - said elongated appendix is connected to the spacer body at a position being no more than 1/3 of the first distance d1 away from the inner wall - said elongated appendix extends in a direction from the inner wall and outwardly and forming an angle α with an extension line of the side wall between 3 and 60 degrees - said elongated appendix has a length L1 being no more than 1⁄2 of the height h of the side walls (13, 14).