Abstract: The present invention deals with a new display card of plastic material, which is particularly usable in the packaging of collars and leashes for cats or dogs, distinguished in that the display card includes:a device, preferably on the side of the card, for hanging the card on the bar of a display unit;a first longitudinal anti-theft device comprising an elongated strap, one end of which is hingedly secured to the card, and the other end of which includes a series of ratchet teeth adapted to be inserted through and secured in a slot in the card;a second anti-theft device similar to the first, preferably arranged in a direction perpendicular to that of the first device; andoptionally, a notch formed in the bottom edge of the card and at least one opening in the card adjacent to the notch for winding up therein objects of a certain length.