To provide a gliding tool having high stability in gliding even when a plurality of persons ride on the same for gliding, and easily manufactured with the low cost.

A gliding tool 1 is formed by storing an annular tube 40 in a bag-shaped cover 6 provided with the grip parts 5, 8 and a towing part 4. The cover 6 is formed by connecting a plurality of coated members, and has the elliptic shape (or oval shape) in a plane view. The recesses 2 as the seats for two persons are respectively formed on both surfaces of the gliding tool 1. The cover 6 comprises a shape correcting means 3 formed by eight D-rings fixed to the cover 6, and two ropes 33, 34 running through the D-rings. The tube 40 stored in the cover 6 is corrected into the elliptic shape (or oval shape) by the shape correcting means 3.