The Coretec Plus Enhanced 7" Marianas Oak is a luxury vinyl plank flooring featuring a 4-sided painted bevel for a realistic wood look. It's backed by patented COREtec technology with a 100% waterproof core that is inert and dimensionally stable. COREtec never needs expansions strips and can be installed in wet areas. Each plank has an attached cork underlayment for a quieter and warmer floor that is resistant to odor causing mold and mildew. Plus, it comes with a Limited Residential Warranty.