Print out a black and white checkered pattern on plain white postcards. On the cards front add kitty party information that you have printed on yellow or red cardstock. You can also send e-invitation through whatsapp and snapchat with the help of emojis of cars and flags etc. You can use the following lines.
COME JOIN US FOR
ROAD THEME KITTY PARTY
ON 17TH AUGUST AT GREEN INN.