They are our special design. Once you are shopping you can open it with bigger size, we can put all the things inside. Once you use it , you can close the bags with the zipper and the cat or rabbit face is coming. You put it on the desk for the decoration. The cat and rabbit face is smiling you everyday. The body of shopping bag is made of Nylon with the heart logo , and the cat face is made of PU with the silk screen printing. The size is suitable one as the pictures. If you have any good shapes , pls contact us. We can help you do your special one too. Thanks.