What is a blackout curtain

Curtain Type  Window Door Semi Long Door Long Door Size in feet 5 ft 7 ft 8 ft 9 ft Size in cm 116 cm X 152 cm 116 cm X 215 cm 116 cm X 242 cm 116 cm X 275 cm Material  Polyester Polyester Polyester Polyester GSM  300 300 300 300 Color Navy Blue Navy Blue Navy Blue Navy Blue Pattern

Is it made with pure cotton material

Door screen for home 7 feet is perfect for layering or standalone use

2 Pcs 250 GSM Grey Topaz Polyester Window / Door / Semi Long Door/ Long Door Curtains 3 Seater - 1 pcs What is a blackout curtainProduct Description: Curtain Type Window Door Semi Long Door Long Door Size in feet 5 ft 7 ft 8 ft 9 ft Size in cm 118 cm X 152 cm 118 cm X 215 cm 118 cm X 242 cm 118 cm X 275 cm Material Polyester Polyester Polyester Polyester GSM 250 250 250 250 Color Grey Grey Grey Grey Pattern Floral Floral Floral Floral No. of Piece 2 Pcs 2 Pcs 2 Pcs 2 Pcs About Topaz Curtains Window Curtain Size: (45" X 60")or(118 cm X 152 cm),Door Curtain Size: (45" X