GROWNEER 4 x 100FT 2 Mil Horticulture Mylar Reflective Film Roll Highly Reflective Covering Sheets For Greenhouse Increa

Highly-Reflective: The aluminum coating surface can reflect approx. 92-97% of light. Both sides could be used.
Helpful for Your Plants: The film can increase the intensity of your grow lights and retain heat without changing the amount of electricity, to keep you room at the right temperature for your plants to thrive.
Durable: 2 mil Thick. It is more durable, puncture-resistant and tear-resistant. The material is safe, environment-friendly and easy for cleaning.
Easy to Assemble: Our reflective film could be easily hanged by using tape, staples, tacks, adhesive, etc.
Width: 48 inch. Length: 100 feet. Heat Resistance Temperature: 190