A combustor arrangement comprising: a fuel injector; and a seal (200, 1300) arranged around the fuel injector and having an upstream end (202, 1302) and a downstream end (204, 1304), the seal (200, 1300) comprising: an annular body (206, 1306) at least partially abutting the fuel injector, the annular body (206, 1306) extending circumferentially about a central axis (A1, A4) and extending axially along the central axis (A1, A4) from the upstream end (202, 1302) to the downstream end (204, 1304), the annular body (206, 1306) comprising: a flange (208, 1308) radially extending from the outer surface (210, 1310) of the annular body (206, 1306) at the upstream end (202, 1302); an inner surface (212, 1312) facing the fuel injector, the inner surface (212, 1312) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); an outer surface (210, 1310) radially spaced apart from the inner surface (212, 1312) relative to the central axis (A1, A4) and facing away from the fuel injector, the outer surface (210, 1310) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); and a plurality of slots (214, 1314) disposed on the inner surface (212, 1312) and circumferentially spaced apart from each other relative to the central axis (A1, A4), each slot (214, 1314) axially extending at least partially from the downstream end (204, 1304) to the upstream end (202, 1302), wherein each slot (214, 1314) is disposed in fluid contact across its maximum length (L2-1, L2-2, L2-3, L2-4) with the fuel injector; the combustor arrangement being characterised in that the outer surface (210, 1310) has a substantially uniform diameter (D3, D4) along the central axis (A1, A4), wherein the seal (200, 1300) does not include a flared portion at the downstream end (204, 1304). a fuel injector; and a seal (200, 1300) arranged around the fuel injector and having an upstream end (202, 1302) and a downstream end (204, 1304), the seal (200, 1300) comprising: an annular body (206, 1306) at least partially abutting the fuel injector, the annular body (206, 1306) extending circumferentially about a central axis (A1, A4) and extending axially along the central axis (A1, A4) from the upstream end (202, 1302) to the downstream end (204, 1304), the annular body (206, 1306) comprising: a flange (208, 1308) radially extending from the outer surface (210, 1310) of the annular body (206, 1306) at the upstream end (202, 1302); an inner surface (212, 1312) facing the fuel injector, the inner surface (212, 1312) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); an outer surface (210, 1310) radially spaced apart from the inner surface (212, 1312) relative to the central axis (A1, A4) and facing away from the fuel injector, the outer surface (210, 1310) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); and a plurality of slots (214, 1314) disposed on the inner surface (212, 1312) and circumferentially spaced apart from each other relative to the central axis (A1, A4), each slot (214, 1314) axially extending at least partially from the downstream end (204, 1304) to the upstream end (202, 1302), wherein each slot (214, 1314) is disposed in fluid contact across its maximum length (L2-1, L2-2, L2-3, L2-4) with the fuel injector; a flange (208, 1308) radially extending from the outer surface (210, 1310) of the annular body (206, 1306) at the upstream end (202, 1302); an inner surface (212, 1312) facing the fuel injector, the inner surface (212, 1312) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); an outer surface (210, 1310) radially spaced apart from the inner surface (212, 1312) relative to the central axis (A1, A4) and facing away from the fuel injector, the outer surface (210, 1310) axially extending from the upstream end (202, 1302) to the downstream end (204, 1304); and a plurality of slots (214, 1314) disposed on the inner surface (212, 1312) and circumferentially spaced apart from each other relative to the central axis (A1, A4), each slot (214, 1314) axially extending at least partially from the downstream end (204, 1304) to the upstream end (202, 1302), wherein each slot (214, 1314) is disposed in fluid contact across its maximum length (L2-1, L2-2, L2-3, L2-4) with the fuel injector;