A slide rail assembly comprising: a first slide rail (10, 10′) comprising a first, elongated web plate (11, 11′), a front surface facing toward a carried item (80) in use and a back surface facing away from the carried item in use; a second slide rail (20, 20′) nested within the first slide rail and being movable relative to the first slide rail in length direction. The upper edge of the first web plate is provided with a first, L-shaped upper folded panel (12, 12′) extending at an angle of 90 degrees with regard to the back surface of the first web plate, the lower edge thereof is provided with a horizontal supporting panel (13, 13′) for supporting the item which is bended at an angle of 90 degrees with regard to the front surface of the first web plate, and the first web plate is also provided with at least one first, L-shaped lower folded panel (14, 14′) opposite to the first upper folded panel and extending at an angle of 90 degrees with regard to the back surface of the first web plate, with the first upper folded panel and the at least one first lower folded panel collectively constituting a slide chute for supporting and guiding the second slide rail sliding therein.