Buy Mylar Roll | Must See

Archival Polyester ("Mylar") Rolls, 24" x 100', .004 - #MYR-241-4 Conservation Resources Go to product viewer dialog for this item.

A popular choice for indoor gardening and grow rooms. It is waterproof, heat-insulating, and reflects approximately 92–97% of light to eliminate "hotspots" and improve plant growth. Available at Walmart. Clear Mylar Polyester Film Rolls & Sheets TAP Plastics& more Go to product viewer dialog for this item.

Buying a Mylar roll (technically biaxially-oriented polyethylene terephthalate or BoPET) requires matching the material's specific properties—like thickness, opacity, and reflectivity—to your intended use, whether that's food storage, horticulture, or crafting. Top Product Recommendations

This heavy-duty option features a white PE film backing for extra strength and light blocking. It is significantly thicker than standard 2 mil rolls, making it highly tear-resistant and suitable for lining grow room floors. Found at Hydrobuilder.com.