InstaTrim 3/4 in. x 50 ft. Ivory PVC Inside Corner Self-Adhesive Caulk, Trim Strip, 1-Pack, Applicator, Corner and End Caps 7550-IVR-APCP - The Home Depot
Kingdder Drywall Joint Tape 2" x 132' PVC Multipurpose Self Adhesive Joint Tape Corner Line Wall Crack Self Adhesive Tape and Joint Patch for Ceiling Wall Crack Filling: Amazon.com: Tools & Home