Approximately 12 inches by 16 inches measured from corner of pillow. 100% Polyester Fabric pillow Sham with pillow form. This pillow is made from new canvas type material and can be used indoors or outdoors. This is a coated canvas with a heavy hand. Mildew resistant, stain resistant, fade resistant and Machine washable. Made in the USA! These are all handmade and may vary slightly in size.