· The blackout blind is made of black polyester fabric and coated with a reflective silver layer for 100% blocking out the sunlight. · It can be used for achieving a nice blackout in your bedroom, living room, office, RV or camper.
Blackout Window Cover 40x 57 inch – No Drill Portable Thermal Blackout Curtain..
Blackout blind: Portable blackout curtains for bedroom are made of safe and non-toxic materials, can fit well with windows and no light around. The back of guard total blackout blinds no drill have a special silver coating.