Gel Press Gel Petites Square, Triangle, Circle. With Gel Press plates, you get all of the benefits of gelatin printing but none of the downsides. Gel Press is super durable and reusable because the plate can be stored at room temperature.Offering printmaking without a mess. Easy to use and clean! .This package contains one each of a square, triangle and circle 3 inch gel plates. Non-toxic. Latex free. Conforms to ASTM D 4236. Made in USA.