This high performance EPDM rubber 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 from 1/4" to 5/16". * Width: 19/32 inch * Depth: 5/16 inch * Length: 10 feet * Packaging: Plastic * Manufacturer Warranty: 10 years