Printable envelopes with cats and hearts

Free DIY cut-and-glue envelope decorated with a cat and heart theme. On the front of the envelope, there are four cats sitting in a line: three white cats with red hearts and one black cat with red hearts, all the cats have a heart above their heads. On the back of the envelope, there is another black and white cat surrounded by hearts. The flap of the envelope is adorned with an elegant border. It is possible to write the name of the person to whom the envelope will be given in the centre or a short message like "happy birthday [name]" or "I love you [name]".