This door curtain is crafted with triple-weave black yarn and high-density construction for 100% physical blackout of sunlight and UV rays, manufactured in an OEKO TEX STANDARD 100 certified factory to ensure a safe, fully dark environment for sleep. The package includes one ready-made panel featuring both a built-in sticky strap for easy installation on any window and a back rod pocket for versatile hanging options. It provides thermal insulation to help keep rooms cool in summer and warm in winter while reducing noise, and the attached straps allow you to easily tie the curtain up or down. For care, it is machine washable using only non-chlorine bleach, can be tumble dried on low, and may be ironed with warm heat when needed.