A printing tape cassette comprising: a cassette case having a first surface , a second surface facing the first surface, and a third surface connecting the first surface to the second surface, a combination of the first surface, the second surface, and the third surface defining an internal space, the cassette case being attached to a cassette housing section of a printing device ; a first tape accommodated in the internal space and wound in a roll, the first tape comprising: a heat-sensitive layer producing color at temperatures within a prescribed range; a first protective layer provided on the heat-sensitive layer, light being allowed to transmit through the first protective layer; and a second protective layer provided on the side of the heat-sensitive layer opposite the first protective layer, the second protective layer containing fluorine-based resin; and a second tape accommodated in the internal space and wound in a roll, the second tape comprising: a first adhesive layer containing emulsion-type adhesive compounded with tackifying resin and containing acrylic polymer and rubber-based adhesive, the first adhesive layer being adhered to the second protective layer; and a base material adhered to the side of the first adhesive layer opposite a surface of the first adhesive layer adhered to the second protective layer. a cassette case having a first surface , a second surface facing the first surface, and a third surface connecting the first surface to the second surface, a combination of the first surface, the second surface, and the third surface defining an internal space, the cassette case being attached to a cassette housing section of a printing device ; a first tape accommodated in the internal space and wound in a roll, the first tape comprising: a heat-sensitive layer producing color at temperatures within a prescribed range; a first protective layer provided on the heat-sensitive layer, light being allowed to transmit through the first protective layer; and a second protective layer provided on the side of the heat-sensitive layer opposite the first protective layer, the second protective layer containing fluorine-based resin; and a heat-sensitive layer producing color at temperatures within a prescribed range; a first protective layer provided on the heat-sensitive layer, light being allowed to transmit through the first protective layer; and a second protective layer provided on the side of the heat-sensitive layer opposite the first protective layer, the second protective layer containing fluorine-based resin; and a second tape accommodated in the internal space and wound in a roll, the second tape comprising: a first adhesive layer containing emulsion-type adhesive compounded with tackifying resin and containing acrylic polymer and rubber-based adhesive, the first adhesive layer being adhered to the second protective layer; and a base material adhered to the side of the first adhesive layer opposite a surface of the first adhesive layer adhered to the second protective layer. a first adhesive layer containing emulsion-type adhesive compounded with tackifying resin and containing acrylic polymer and rubber-based adhesive, the first adhesive layer being adhered to the second protective layer; and a base material adhered to the side of the first adhesive layer opposite a surface of the first adhesive layer adhered to the second protective layer. <EOS>