This stamp positioner is so easy to use that you will wonder why you didn't discover it sooner. Align square with positioner, stamp image on top left of acrylic sheet. Then remove square and place acrylic sheet with image to desired location. Return positioner to original locations, remove acrylic sheet, and stamp image. This 2.75x3.75 inch package contains a 2.5x3.5 inch L shaped acrylic piece perfect for aligning stamps. WARNING: Choking Hazard. Not suitable for children under 3 years. Imported.