Translucent fabrics
- Voile
- Cotton Lawn
- Organza
- Shimmer
- Netting
- Organdie
- Chiffon
- High twist Chiffon
Opaque Fabrics
- Sheeting
- Calico
- Poly Cotton Drill
- Wax Cotton
- Fleece Fabric
- Blackout fabrics
Basically any fabric that will not let light pass through would be considers and opaque fabric.
For a more detailed information:-
