Mesh Banners are exceptionally strong and durable. All 18" x 84" bright yellow banners are made with 9oz vinyl coated polyester and allows up to 30% air flow for less wind resistance. They are less wind resistance, tear and fray resistant. Large #5 toothed brass grommets are set with 90 lbs. of pressure to help prevent pulling out. Our mesh banners are finsihed top and bottom with edge binding and are 30% stronger than our standard vinyl banners.