This high performance EPDM rubber K-profile weatherseal is guaranteed to remain flexible in temperatures from -40° Fahrenheit to 140° Fahrenheit for 10 years. It will seal out drafts, dust and moisture around doors and windows. It is a self-adhesive application weatherstrip, suitable for gaps to 1/8". * Width: 3/8 inch * Depth: 1/8 inch * Length: 17 feet * Packaging: Plastic * Manufacturer Warranty: 10 years