Amazon.com: (Pack of 8 panels) 35'' x 48'' x 10mm Polycarbonate Twinwall Greenhouse Sheets : Patio, Lawn & Garden
6' x 8' Polycarbonate Large Greenhouse Kit for Plants, Portable Walk in Panels Greenhouses for Outdoors with Vent & Rain Gutter, Heavy-Duty Greenhouse for Winters, Aluminum Frame PC Board Greenhouse - Walmart.com
How to Calculate Polycarbonate Sheets for a Greenhouse - my Garden and Greenhouse
Polycarbonate Twinwall Plastic Panels & Full Sheets Available In Stores : TAP Plastics