A tampon (100, 200, 300, 400, 500), the tampon (100, 200, 300, 400, 500) comprising: a body (102, 202, 302, 402, 502) having a longitudinal axis (108, 208, 308, 408, 508), a front end (104, 204, 304, 404, 504), a rear end (106, 206, 306, 406, 506) and an outer surface (112, 212, 312, 412, 512), said body (102, 202, 302, 402, 502) comprising a liquid-absorbing material operable to absorb and/or retain bodily fluid; a bore (110, 210, 310, 410, 510) extending through the body (102, 202, 302, 402, 502) along the longitudinal axis (108, 208, 308, 408, 508) from the front end (104, 204, 304, 404, 504) to the rear end (106, 206, 306, 406, 506), said bore (110, 210, 310, 410, 510) defining an inner surface; a liquid-impermeable layer (114, 214), said liquid-impermeable layer (114, 214) comprising a liquid-impermeable elastic material; and a liquid-permeable layer (116, 216, 516); wherein the liquid-absorbing material is a fluid; wherein one of the liquid-impermeable layer (114, 214) or the liquid-permeable layer (116, 216, 516) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the other of the liquid-impermeable layer (114, 214) or the liquid-permeable layer (116, 216, 516) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502); wherein, in use, the liquid-impermeable layer (114, 214) and the liquid-permeable layer (116, 216, 516) are operable to move between a first configuration and a second configuration; wherein the liquid-impermeable layer (114, 214) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the liquid-permeable layer (116, 216, 516) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) in the first configuration; wherein the liquid-permeable layer (116, 216, 516) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the liquid-impermeable layer (114, 214) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) in the second configuration; wherein the first configuration is the configuration prior to insertion of the tampon into an opening in the body; and the second configuration is the configuration after insertion of the tampon into an opening of the body. a body (102, 202, 302, 402, 502) having a longitudinal axis (108, 208, 308, 408, 508), a front end (104, 204, 304, 404, 504), a rear end (106, 206, 306, 406, 506) and an outer surface (112, 212, 312, 412, 512), said body (102, 202, 302, 402, 502) comprising a liquid-absorbing material operable to absorb and/or retain bodily fluid; a bore (110, 210, 310, 410, 510) extending through the body (102, 202, 302, 402, 502) along the longitudinal axis (108, 208, 308, 408, 508) from the front end (104, 204, 304, 404, 504) to the rear end (106, 206, 306, 406, 506), said bore (110, 210, 310, 410, 510) defining an inner surface; a liquid-impermeable layer (114, 214), said liquid-impermeable layer (114, 214) comprising a liquid-impermeable elastic material; and a liquid-permeable layer (116, 216, 516); wherein the liquid-absorbing material is a fluid; wherein one of the liquid-impermeable layer (114, 214) or the liquid-permeable layer (116, 216, 516) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the other of the liquid-impermeable layer (114, 214) or the liquid-permeable layer (116, 216, 516) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502); wherein, in use, the liquid-impermeable layer (114, 214) and the liquid-permeable layer (116, 216, 516) are operable to move between a first configuration and a second configuration; wherein the liquid-impermeable layer (114, 214) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the liquid-permeable layer (116, 216, 516) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) in the first configuration; wherein the liquid-permeable layer (116, 216, 516) is on at least a portion of the outer surface (112, 212, 312, 412, 512) of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) and the liquid-impermeable layer (114, 214) is on at least a portion of the inner surface of the body (102, 202, 302, 402, 502) of the tampon (100, 200, 300, 400, 500) in the second configuration; wherein the first configuration is the configuration prior to insertion of the tampon into an opening in the body; and the second configuration is the configuration after insertion of the tampon into an opening of the body.