The Package Kit Box includes: 30 Meters Solar Panel Guard PVC Coated Stainless Steel Mesh, 100 Pieces Stainless Steel Fasteners including J hooks and washers 20 Cable Ties 1 Pair Gloves Our mesh details: Stainless steel wire Colour: Black Wire Gauge: 0.7 mm / Our Fasteners(Clips) details: 100 Aluminium J hook Length: 120mm Washer (Black colour) diameter: 38mm How many solar panels can apply to per kit box sold from us? For 16-20 Standard Solar Panels. Our products: Our mesh is made of welded stainless steel and then coated in thick protective PVC coating that is resistant to UV degradation and chemical corrosion, fits around the perimeter of solar panels flush against the slope of roofs. Products are made in compliance with ISO9001. All mesh and components are thoroughly tested to ensure durability and longevity of use. The smart products securely protect panels without damaging or voiding the panel warranty. Installation Guide: Step one: Prepare gloves, harness, ladder, metal snips and pliers. Step two: Roll out the solar panel mesh and cut it into manageable 2 metres lengths for easier handling. Step three: Provided clips with every 30-40cm along the underneath of the solar panel frame and pull tight. Step four: When joining the next section of mesh, overlay approximately 10cm and join the 2 pieces with cable ties to create a complete barrier. For outer corners; cut upwards from the bottom until the bend point. Cut a section of mesh to cover any gaps using cable ties to fix the corner pieces in place. For inner corners: cut the mesh upwards from the bottom until the end point, secure any overlay sections together using cable ties.