LIGHTWEIGHT rack panels are made from tough industrial cordura fabric ^^ Innnovative design the Snap-On Rack Panels allows easy access to internal components no tools needed ^^ Fits standard 19 inch server racks, enclousures, cabinets, and flight packs ^^ Moisture and abrasion resistant ^^ Comes with 4ea. snap button 10-32 hardware screws and cage nuts ^^ Quality product designed and made in USA