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Mylar / Black Poly 6.7 mil




For maximizing reflectivity in your grow area, Poly-backed Mylar is a low-cost tool to boost productivity in your garden. In a small space like a spare room, closet, or custom box, light energy is lost on walls and other non-reflective surfaces.  Poly-backed Mylar solves this issue by giving growers a 95% reflective surface that is easy to use, easy to clean, and tough enough to last years in an indoor garden.

  • 95%+ Reflective Mirror Like Finish
  • 6.7mil Poly Backing is the strongest we carry, lasting for several years in horticultural applications
  • Recovers light that is otherwise lost to absorption by non-reflective surfaces.
  • By properly lining a garden with this Mylar, you could increase the amount of light your plants receive by up to 30%!

Your Garden's Success is our #1 Priority

HTG Supply is committed to providing you with the very best products, pricing and service in the industry. We will ship your order fast and discreetly packaged to protect your privacy. Buy with confidence knowing your HTG Supply purchase includes simple returns as well as lifetime product support. Call our team of real growing experts with your purchasing or product use questions, and we will be here to help!

See it for less somewhere else? Give us a call and we’ll beat any online competitor’s price!

Customer Service:  1-866-710-GROW (4769) | | Hours: Mon-Fri 9:00 a.m. to 5:00 p.m.


With a 95%+ mirror-like reflective surface, Silver Mylar is used by growers worldwide to maximize the light energy in their grow rooms. Simply line your grow room walls, ceiling, and even floor so not a single lumen of light is wasted!

More light for your plants equals more plant growth! By properly lining a garden with this Mylar, you could increase the amount of light your plants receive by up to 30%! To maximize your yields you simply must have the most efficient grow room possible. Mylar is one of the most efficient ways to savor every last bit of light emitted from your grow light(s). Black Poly has been cojoined to the Mylar to create a unique twist to standard shiny silver reflective Mylar. The addition of the white poly makes this product a lot thicker than standard silver reflective Mylar, giving it a longer life, better durability in the grow room, and easier to install.

All rolls 4 foot wide by 25, 50, 100 or 150 foot long lengths. Mylar comes in an easy to use roll. Simply unroll the amount you need, cut with scissors, and hang on walls with double-sided tape, staples, or tacks. Easy as 1-2-3!

Please note:This material does not produce a clear mirror image, and thus is not recommended for visual applications (i.e., theater, display, art, etc.) in which this effect is desired. This material is designed for horticultural purposes and diffuses light so reflected images will appear blurry.



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