This Stainmaster Foam Carpet Padding with Moisture Barrier (Model# BM0039) covers 90 sq. ft. in a single roll measuring 6 ft. x 15 ft. x 13mm thick. The built-in moisture barrier helps protect against spills and subfloor moisture, making it ideal for basements and main living areas. Item is in like-new condition with no damage or missing components. A great value for a DIY carpet installation project.