Buy the Stupell Industries Small but Mighty Sentiments Adorable Mouse in Mirror Throw Pillow 18" x 18" at Michaels.com. Update your home interiors easily with Stupell Industries' Decorative Printed Pillow. Pillows are printed in a wide variety of colors, styles and trends. Pillows arrive with inserts already zipped inside their case. Art Themed Pillow Cases printed in the USA.