FSWPG69 - 6"x9" WATERPROOF GRILL WITH ADHESIVE APPLICATION (PAIR) Diamond Audio's Frogzskin Mesh repels water, dirt and dust while still allowing air to flow freely. The Frogzskin Mesh is a woven polyester material that is hydrophobic, meaning it will repel water and splashes of water. The peel and stick adhesive mesh will fit most speaker with the ease of application. Please note: While the Diamond Audio Frogzskin mesh is treated with a hydrophobic layer, they are NOT considered waterproof. Specifications FSWPG69 - 6"x9" Water Repelling Mesh Grill with Adhesive Application (Pair) Material: Woven Polyester With a Hydrophobic (Water-Repellent) Layer Repels Water, Dirt, and Dust Allows Air to Flow Freely Through the Mesh Easy Peel-and-Stick Adhesive Application Fits most 6"x9" Speakers Important Note: Hydrophobic Membrane Repels Water, the mesh is NOT Waterproof