The Kally Anti-Snore Pillow has been designed by UK experts to help reduce snoring during hours of sleep. Tested by the British Snoring & Sleep Apnoea Association, The Kally Anti-Snore Pillow was found to reduce snoring frequency and volume by approximately 60% ? we know what you?re thinking, WOW! Within the centre of the pillow is an ergonomically S-shaped foam core which has been designed to support your head and neck, keeping it at just the right position to improve your breathing, which in turn can help to open your airways ? the science in snoring, who knew!. The foam is surrounded by Hollowfibre, so the pillow is soft but supportive and is ideal for people who sleep on their back or side. The outer fabric is smooth polycotton which is very soft and breathable.