Size:2.25 Inch Round Material: Plastic backing Closure: Pin-back DESIGN There is no restrictions when it comes to designs. When checking out, you can leave your design instructions in the "note to seller" at checkout. Images must be sent via Etsy messaging. Email can be provided if Etsy messaging is not working. Please note that any delay in getting proof approved could delay shipping. Specs for ready images: At least 2 inch in diameter with an additional 30% (1.3"~) of image to work with. If you send a image already in a circle, please send us the original as well so that we can work with that. We can work with most types of images including png, jpg, psd, pdf, and more.