Abstract: The present invention provides an improved trolley bag comprising a primary bag unit, a left bag unit, a right bag unit and collapsible bag units; wherein the collapsible bag units are provided between the primary bag unit and the left bag unit as well as between the primary bag unit and the right bag unit respectively in order to form one single trolley bag and such that the trolley bag is of a collapsible function for extending and collapsing thereof. As a result, the improved trolley bag of the present invention can be used for carrying conventional items under a collapsed configuration and can be advantageously used for carrying elongated items including such as golf clubs under an extended configuration. Accordingly, the practical applications and usefulness of the improved trolley bag of the present invention are increased and enhanced.

Abstract: The present invention is related to an improved golf club head cover comprising a main body in a tubular shape having a receiving portion with a wider width and an opening portion with a narrower width and characterized in that a front side of the main body of the head cover comprises a left flipping piece and a right flipping piece; an extendable cloth is provided at a front edge portion between the two flipping pieces; a soft metal plate is provided inside the left flipping piece and an a restraining piece with magnets is provided inside the right flipping piece and extends outward therefrom. By covering a golf club head with the improved golf club head cover having such unique structure of the present invention, the club head can be advantageously protected from unnecessary impacts or scratches that may cause damages to the golf club head.