Organic Block – an equine or horse natural fly spray containing 100% natural active components. Contains an extract of quality essential oils; free of chemicals and alcohol; has a pleasant mint fragrance. An efficient insect repellant or repellent of flies during day-time; defends during dusk and night. Reduces insect bites, including: flies, mosquitoes, midges and gnats. Harmless for touch or respiration. Please shake well before use.