Curtron Strip Door Curtain When you use these door strips, they will help prevent premature food spoilage, reduce heating and cooling costs and eliminate temperature fluctuations.Model #: M108PR-4080 Material: PVC Strip heat sealed loop at top Temperature range: -30° to 150° Fits in doorways 36" x 78" Mounting hardware included 6 strips included USDA approved Strip thickness: .080" Strip width: 8" Strip door height: 80" Strip door width: 40" Shipping weight: 15.47 lbs 701036