A polymer material which is a copolymer polymerised at least from: a. at least one filler material, wherein the filler material is provided in the form of small particles, wherein the average longest cross section of the particles is in the range of 0.1 to 750 μm, said filler material consisting of a filler covalently -O-linked to wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, Alkenyl, halogen and C 1-6 alkyl substituted with halogen, wherein said filler comprises a polymer covalently linked to -OH or a long chain alcohol comprising at least 10 carbon atoms; and b. At least one monomer and/or at least one cross-linker, wherein i. the monomer is a monomer of the general structure or the general structure wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, C 1-6 alkenyl, halogen and C 1-6 alkyl substituted with halogen and R 3 is selected from the group consisting of linear and branched alkyl, alkenyl, alkoxy, ethers, aliphatic ring optionally comprising heteroatoms, alcohols, halogen, alkyl substituted with halogen and -H and wherein ii. the cross-linker is a sugar moiety covalently O-linked to at least two groups, wherein R 1 and R 2 independently are selected from the group consisting of -H and C 1-6 alkyl, and wherein said two groups may be identical or different; and c. Optionally, at least one plant fibre material, which is covalently -O-linked to, wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, C 1-6 alkenyl, halogen and C 1-6 alkyl substituted with halogen. a. at least one filler material, wherein the filler material is provided in the form of small particles, wherein the average longest cross section of the particles is in the range of 0.1 to 750 μm, said filler material consisting of a filler covalently -O-linked to wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, Alkenyl, halogen and C 1-6 alkyl substituted with halogen, wherein said filler comprises a polymer covalently linked to -OH or a long chain alcohol comprising at least 10 carbon atoms; and b. At least one monomer and/or at least one cross-linker, wherein i. the monomer is a monomer of the general structure or the general structure wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, C 1-6 alkenyl, halogen and C 1-6 alkyl substituted with halogen and R 3 is selected from the group consisting of linear and branched alkyl, alkenyl, alkoxy, ethers, aliphatic ring optionally comprising heteroatoms, alcohols, halogen, alkyl substituted with halogen and -H and wherein ii. the cross-linker is a sugar moiety covalently O-linked to at least two groups, wherein R 1 and R 2 independently are selected from the group consisting of -H and C 1-6 alkyl, and wherein said two groups may be identical or different; and i. the monomer is a monomer of the general structure or the general structure wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, C 1-6 alkenyl, halogen and C 1-6 alkyl substituted with halogen and R 3 is selected from the group consisting of linear and branched alkyl, alkenyl, alkoxy, ethers, aliphatic ring optionally comprising heteroatoms, alcohols, halogen, alkyl substituted with halogen and -H and wherein ii. the cross-linker is a sugar moiety covalently O-linked to at least two groups, wherein R 1 and R 2 independently are selected from the group consisting of -H and C 1-6 alkyl, and wherein said two groups may be identical or different; and c. Optionally, at least one plant fibre material, which is covalently -O-linked to, wherein R 1 and R 2 independently are selected from the group consisting of-H, C 1-6 alkyl, C 1-6 alcohols, C 1-6 alkoxy, C 1-6 ethers, C 1-6 alkenyl, halogen and C 1-6 alkyl substituted with halogen.