Quarter sawn oak Vanilla flooring by Coswick comes prefinished by CosNanoTech+ finishing technology that provides exceptional protection for your hardwood floors. CosNanoTech+ finish is composed of 12 coats of top quality sealers and compounds with aluminum oxide for extra durability. Crosslinked nano particles are used to increase finish elasticity and maintain high wear resistance. Coswick CosNanoTech+ finish has a 25-year finish warranty.