A multilayer element, wherein the multilayer element comprises a first layer element, an interlayer element and a second layer element, wherein - the first layer element comprises a glass layer or a polymeric layer; - the interlayer element comprises a polymer composition comprising a) at least a crosslinked ethylene copolymer, wherein the crosslinked ethylene copolymer has been prepared by crosslinking an ethylene copolymer via peroxide crosslinking, wherein the crosslinked ethylene copolymer is first grafted before being crosslinked, whereby the ethylene copolymer before being crosslinked fulfils the characteristics (i) and (ii) (i) being an ethylene-octene copolymer and (ii) having a density (according to ISO 1183) in the range of 855 kg/m 3 to 875 kg/m 3, and - the second layer element comprises a glass layer element or a polymeric layer element; wherein the interlayer element is in adhering contact with said first and second layer element; and whereby the ethylene copolymer before being crosslinked bears silane group(s) containing units (b), whereby these units (b) are introduced with grafting component (b'), which is a hydrolysable unsaturated silane compound represented by the formula: R 1 SiR 2 q Y 3-q wherein R 1 is an ethylenically unsaturated hydrocarbyl, hydrocarbyloxy or (meth)acryloxy hydrocarbyl group, each R 2 is independently an aliphatic saturated hydrocarbyl group, Y which may be the same or different, is a hydrolysable organic group and q is 0, 1 or 2, wherein the interlayer element is a monolayer element consisting of the polymer composition of the interlayer element and/or wherein the multilayer element is transparent. - the first layer element comprises a glass layer or a polymeric layer; - the interlayer element comprises a polymer composition comprising a) at least a crosslinked ethylene copolymer, wherein the crosslinked ethylene copolymer has been prepared by crosslinking an ethylene copolymer via peroxide crosslinking, wherein the crosslinked ethylene copolymer is first grafted before being crosslinked, whereby the ethylene copolymer before being crosslinked fulfils the characteristics (i) and (ii) (i) being an ethylene-octene copolymer and (ii) having a density (according to ISO 1183) in the range of 855 kg/m 3 to 875 kg/m 3, and a) at least a crosslinked ethylene copolymer, wherein the crosslinked ethylene copolymer has been prepared by crosslinking an ethylene copolymer via peroxide crosslinking, wherein the crosslinked ethylene copolymer is first grafted before being crosslinked, whereby the ethylene copolymer before being crosslinked fulfils the characteristics (i) and (ii) (i) being an ethylene-octene copolymer and (ii) having a density (according to ISO 1183) in the range of 855 kg/m 3 to 875 kg/m 3, and (i) being an ethylene-octene copolymer and (ii) having a density (according to ISO 1183) in the range of 855 kg/m 3 to 875 kg/m 3, and - the second layer element comprises a glass layer element or a polymeric layer element; wherein the interlayer element is in adhering contact with said first and second layer element; and whereby the ethylene copolymer before being crosslinked bears silane group(s) containing units (b), whereby these units (b) are introduced with grafting component (b'), which is a hydrolysable unsaturated silane compound represented by the formula: R 1 SiR 2 q Y 3-q wherein R 1 is an ethylenically unsaturated hydrocarbyl, hydrocarbyloxy or (meth)acryloxy hydrocarbyl group, each R 2 is independently an aliphatic saturated hydrocarbyl group, Y which may be the same or different, is a hydrolysable organic group and q is 0, 1 or 2, wherein the interlayer element is a monolayer element consisting of the polymer composition of the interlayer element and/or wherein the multilayer element is transparent. R 1 is an ethylenically unsaturated hydrocarbyl, hydrocarbyloxy or (meth)acryloxy hydrocarbyl group, each R 2 is independently an aliphatic saturated hydrocarbyl group, Y which may be the same or different, is a hydrolysable organic group and q is 0, 1 or 2, wherein the interlayer element is a monolayer element consisting of the polymer composition of the interlayer element and/or wherein the multilayer element is transparent.