45gsm SMS Nonwoven Fabric for Fruit Tree Frost Protection - Breathable Agricultural Cover Introduction Protect your orchard from unexpected frost while ensuring your trees stay healthy. Our 45gsm SMS Nonwoven Frost Protection Fabric is engineered to provide the perfect balance of thermal insulation and breathability. Unlike standard thick covers that trap moisture and cause rot, our fabric prioritizes air permeability, making it the superior choice for modern agriculture.