Gel Press - Gel Plate 4"X4" - Puzzle Piece. Gel Press-PolyGel Gel Plate. 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. Easy to use and clean! This package contains one 4x4 inch gel plate. Non-toxic. Latex free. Made in USA.