Create a pleasant environment for horses: the herbal collar for horses contains a mixture of ingredients, including fragrances that migrate and spread on the surface on the whole body for 3-4 weeks. Pleasant environment for horses and riders: through evaporation it creates a pleasant environment of fresh and plant-based scent for the animal and the rider. Sustainable & safe. Safe, cruelty free, made using recyclable packaging. Waterproof: collar will maintain effectiveness even when horse sweats.