Madagascar Raffia — Multi-Color PacksIf you're still brushing in your blind with synthetic grass from China, the ducks already know. Synthetic blind materials reflect UV light. Ducks see into the UV spectrum. To them, your $40 synthetic grass job glows like a neon sign. That's why they flare at 80 yards when your setup looks perfect to the human eye. Our natural raffia grass is grown and harvested in Madagascar the same plant that's been used for concealment and thatching for centuries.