1. A smoking article that contains a polymer insert having a compressibility of less than about 100 N per 1.5 mm and formed from a soluble polymer material containing one or more water-soluble polymers. The smoking article according to claim 1, wherein the polymer insert has such a shape and design that the insert structure is not visible when the insert is placed in a closed container with water at 22 ° C. for 24 hours without stirring, and the amount of water present in the container approximately eight times the mass of the polymer insert. 3. A smoking article according to claim 1 or 2, wherein the polymer insert comprises one or more tubular portions forming one or more cavities. A smoking article according to claim 1 or 2, wherein the polymer insert comprises a flow restricting element comprising at least one transverse barrier having at least one opening. A smoking article according to claim 1 or 2, wherein the soluble polymer material of the polymer insert comprises one or more water-soluble biodegradable polymers. A smoking article according to claim 1 or 2, wherein the soluble polymer material of the polymer insert comprises at least one of starch and polyvinyl alcohol. A smoking article according to claim 1 or 2, wherein the polymer insert includes a flavor. A smoking article according to claim 1 or 2, wherein the wall thickness of the polymer insert is from 0.2 mm to 2.0 mm. A smoking article according to claim 1 or 2, wherein the polymer insert has a flexural modulus of less than about 310 MPa. A smoking article according to claim 1 or 2, in which the polymer insert forms at least a portion of the container, while1. Курительное изделие, которое содержит полимерную вставку, имеющую сжимаемость менее чем около 100 Н на 1,5 мм и образованную из растворимого полимерного материала, содержащего один или более водорастворимых полимеров.2. Курительное изделие по п.1, в котором полимерная вставка имеет такую форму и выполнение, что структура вставки не видна, ког
