Canopies are covers individually tailored to cover a supporting frame work.
For larger body trucks a one piece fitted canopy with separate rear gate curtains is standard. However side opening gates, roll up front sections, zippers, clear windows and other options can be made. 680 gms 'Ripstop' PVC fabric is recommended.
Canopies and Sides for 4WD with clear or mesh windows zippers can be made from canvas or PVC to suit your requirements.