CB MERCHANDISE only take 2 payments as of right now due to Covid. You may select PayPal payment which will give you the option to put your credit information in or you may choose Cash App option which is $CatBlast1027 (which will go straight to the building). If you choose option 2, you may send the money over like you would usually do and in the send a message section box, please describe what you would like to order, your size and if it's a loving memory of family members, friends or pets please email us the picture and what you would like it to say. Please include your name and address to where you would like your products ship. (Shipping fee will apply on certain items) At the moment the site is still being work on for more features. We are aware that there is no option to add what sizes you want so in order to put the size you want please send us a message with all your details so we know what you need to get your order together. Thanks Nina