Shark S3450 Slim Professional Steam Pocket Mop (Certified Refurbished) This Certified Refurbished product is tested & certified by Shark to look and work like-new. The product includes all original accessories, and is backed by a 90 day warranty All-Purpose Mop Head (Rectangle), Steam Pocket Technology Clean and sanitize on both sides with no chemicals Turns ordinary water into super-heated steam to eliminate 99.9% of germs and bacteria Safe on all hard floor surfaces: Hardwood, tile, marble, stone, linoleum