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 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 together are forming a chamber suitable for containing a desiccant, - optionally the spacer body further comprises two outer connection walls extending between said two side walls and said outer wall such that the inner wall , the outer wall , the two side walls and the outer connection walls together are forming the chamber suitable for containing a desiccant, - optionally the spacer body further comprises two inner connection walls extending between said two side walls and said inner wall such that that the inner wall , the outer wall , the two side walls and the inner connection walls together 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 . - 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 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 together are forming a chamber suitable for containing a desiccant, - optionally the spacer body further comprises two outer connection walls extending between said two side walls and said outer wall such that the inner wall , the outer wall , the two side walls and the outer connection walls together are forming the chamber suitable for containing a desiccant, - optionally the spacer body further comprises two inner connection walls extending between said two side walls and said inner wall such that that the inner wall , the outer wall , the two side walls and the inner connection walls together 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 . - 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 . <EOS>