Shamrocks in Bloom Canvas Fabric Decorative Pillow. Celebrate St Patrick's Day with this St Patrick's Day Pillow. Add color to your solid color bedroom, living room, outdoor patio furniture or outdoor seating area with our full color artwork outdoor pillows. Each pillow measures Approximately 12 inches by 16 inches and is measured from corner to the opposite corner of the pillow. 100% Polyester Fabric canvas pillow Sham with polyester pillow form filled with foam. This pillow is made from Caroline's Treasures new outdoor material and can be used inside or outdoors. The sham and the pillow form are included and both made in the US. The sham fabric is woven to make it water resistant and still be soft to the touch. These pillows are also Mildew resistant, stain resistant, fade resistant and Machine washable. These pillows are all made by hand and may vary slightly in size.