The M-D All-purpose Silicone Gasket Seal protects against drafts, moisture, dust and insects. Save on energy by sealing the home and keeping the heat or air conditioning from escaping. U.L. listed and tested for smoke and draft control. Easy peel and stick installation. Before installation, cut to desired length by using scissors. Commercial grade premium silicone rubber seal for doors and windows UL listed and tested for fire, smoke and draft control Unaffected by mildew, fungus or UV light Made of highly durable silicone rubber Seals to protect against drafts, moisture, dust and insects 20 ft L x 1/2 in W x 1/4 in H Remains flexible in extreme temperatures No hardware required for install Indoor or outdoor use Color/Finish Family: Brown Manufacturer Color/Finish: Black Door Seal Sub-Brand: N/A Length Measurement: 20-ft Thickness Measurement: 1/4-in Width Measurement: 1/2-in Material: Silicone Other Items Required for Assembly: No Package Quantity: 1.0 Tools Required: No Warranty: None Weatherstrip Type: Door CA Residents: Prop 65 Warning(s): Yes UNSPSC: 30141500