M-D 1/8 In. x 90 Ft. White Replaceable Caulk Cord

Insulate your space with this M-D Building Products Caulking Cord Weatherstrip. It helps seal-out drafts, dust and moisture around doors and windows inside and out. The white caulking cord is flexible and it’s self-adhesive and easy to install without the need for tools. The strip also provides a superior seal against air and can be used to seal cracked window panes.