It is designed to protect delicate fabrics like silk, nylon, and velvet from scorching, burning, or getting a shiny finish when ironed at high temperatures.
The cover creates a non-stick surface, allowing the iron to glide smoothly over clothes.
It is made of Teflon and is often attached with a spring to fit most standard household irons.
The cover also protects the iron’s soleplate from scratches and damage.