Product Description Fits 1-3/4 inch thick by 36 inch wide doors. Seals up to 7/16 inch gap between bottom of door and threshold. Durable white vinyl construction. Vinyl seal provides all-season protection against drafts, moisture, dust and insects. Slotted screw holes for easy adjustment. Fits 1-3/4-inch thick by 36-inch wide doors. Seals up to 7/16-inch gap between bottom of door and threshold. Durable white vinyl construction. From the Manufacturer 36-Inch L-Shaped Rigid Vinyl Door Bottom with flexible vinyl fins. Screws Included. For Use With Saddle Threshold. Fits 1-3/4-Inch Doors. Designed to be used with smooth top thresholds to seal out drafts from the bottom of your door. Helps make your home more comfortable