A downhole tool for use in a well having a casing, the downhole tool comprising: a mandrel (16,106); a slip ring disposed about said mandrel (16,106), wherein said slip ring has an unset position in which the slip ring does not engage the casing and a set position in which said slip ring grippingly engages the casing; a first wedge disposed about said mandrel (16,106), wherein said first wedge is arranged such that relative longitudinal movement of said first wedge towards said slip ring drives said slip ring radially outward to the set position; a second wedge; and a sealing element arranged between the first wedge and second wedge, the sealing element comprising a first sealing member and a second sealing member; characterised in that the first sealing member abuts one of the first wedge and second wedge; the second sealing member abuts the other of the first wedge and second wedge; wherein said first sealing member engages said second sealing member such that said sealing element has a first position and a second position, and wherein said first sealing member stretches over said second sealing member when said sealing element is in said second position such that said stretching places the first sealing member in sealing engagement with said casing, and wherein said first sealing member and said second sealing member are in operable relation with said first wedge and said second wedge such that longitudinal pressure can be applied to the sealing element to move the sealing element from said first position to said second position. a mandrel (16,106); a slip ring disposed about said mandrel (16,106), wherein said slip ring has an unset position in which the slip ring does not engage the casing and a set position in which said slip ring grippingly engages the casing; a first wedge disposed about said mandrel (16,106), wherein said first wedge is arranged such that relative longitudinal movement of said first wedge towards said slip ring drives said slip ring radially outward to the set position; a second wedge; and a sealing element arranged between the first wedge and second wedge, the sealing element comprising a first sealing member and a second sealing member; characterised in that the first sealing member abuts one of the first wedge and second wedge; the second sealing member abuts the other of the first wedge and second wedge; wherein said first sealing member engages said second sealing member such that said sealing element has a first position and a second position, and wherein said first sealing member stretches over said second sealing member when said sealing element is in said second position such that said stretching places the first sealing member in sealing engagement with said casing, and wherein said first sealing member and said second sealing member are in operable relation with said first wedge and said second wedge such that longitudinal pressure can be applied to the sealing element to move the sealing element from said first position to said second position. the first sealing member abuts one of the first wedge and second wedge; the second sealing member abuts the other of the first wedge and second wedge; wherein said first sealing member engages said second sealing member such that said sealing element has a first position and a second position, and wherein said first sealing member stretches over said second sealing member when said sealing element is in said second position such that said stretching places the first sealing member in sealing engagement with said casing, and wherein said first sealing member and said second sealing member are in operable relation with said first wedge and said second wedge such that longitudinal pressure can be applied to the sealing element to move the sealing element from said first position to said second position.