We sell all sorts of reflective mylar and shiny plant room wall coverings for your indoor plants. Mylar and hydroponics mylars for plants is a reflective plastic that reflects light over 95% more by applying the mylar on the walls for the plants, to gain the most light for the top and bottom of your plants. This is a a great price to increase light exposure for your plants. We carry mylar in two different sizes(thickness), which is 1 mil and 2 mil. The 2 ML will hold up more for long term and heavy use.