Original Cal Spas pillow model CALACC01401031 is 11 inches wide, 6 inches tall and has a center logo dome cutout. Cal Spa logo sold separately. Cal Spas Cascade Pillow 2008. 2 pins on back. Pillow Measurements: 11 Inches Wide, 5 1/2 Inches High. Pins Measure 8 5/8 Inches between pins (measured center to center of pin)