The greatest pillow ever invented The Purple Harmony Pillow is the only pillow with innovative 360 Purple Grid Hex technology around a hypoallergenic Talalay Latex Core The Harmony Pillow provides just the right amount of soft support you need The Purple Harmony Pillow comes in two heights The 65 is favored by back sleepers side sleepers with smaller frames and stomach sleepers The 75 is favored by side sleepers with average to larger frames