Mounts using front factory door holes and included fasteners Fits Polaris RZR models '14-'23 XP 1000 Sport, Turbo, Trail; XP4 1000 Turbo, Trail, '14-'19 900, 4 900; '21-'23 Trail 900, Trail S 900 Sport. Can fit 50” trail models if additional holes are drilled. Largest capacity upper door bag for Polaris RZR. Front knee pad for comfort and safety is also removable to maximum storage. One large zippered storage compartment. Top quality, water resistant Tri-Max Ballistic Nylon with Fibertech accents. Reverse coil zippers help keep out dust and dirt. Rubber coated oversized zip pullers operate easily with gloves. Works with optional Front Lower Door bags RG-001L. Dimensions: 23.5”L x 11”W x 2”D Holds 4.5 liters per side. Sold as a pair Left and Right.