Universal Compatibility: designed as door threshold strip replacements for most standard adjustable aluminum thresholds with vinyl sealing system Package Includes: 2 pack 36 inch vinyl replacement insert for under door seals measuring 1-5/16 x 3/8 inches these door threshold seal strips fit adjustable height aluminum threshold Easy Installation: this door bottom seal can be quickly trimmed to length with household scissors for custom fit applications no special tools required Effective Weatherproofing: the flexible rubber threshold strip creates a tight seal against air moisture dust and insects when installed under exterior door Vinyl Material: the under door seal for exterior doors resists cracking and deformation in extreme temperatures, Weight: 0.85649588787 pounds, Manufacturer: Aboiled