Lucida USA Dark Venetian Black Patterned Look 12 mil x 12 in W x 12 in L Waterproof Peel and Stick Vinyl Tile Flooring (36 sq ft Carton) USPS Approved Mailboxes Tool Set Type Electrician's Cable Tool Set Type Electrician's Cable Splicer Set Number of Additional Tools Included 2 Case Type Soft Warranty None CA Residents: Prop 65 Warning(s) No Number of Hammers Included 0 Number of Levels Included 0 Number of Pliers Included 0 Number of Wrenches Included 0 UNSPSC 27113200 Number of Drill Bits Included 0 Number of Screwdriver Bits Included 0 Voltage 0 Utility Knife Included Yes Finish Matte Charger Included No Total Number of Pieces 3 Number of Batteries Included 0 Number of Screwdrivers Included 0 Drill Driver Included No Tape Measure Included No It is crafted from low maintenance vinyl that only needs cleaning with soap and water as necessary Q: Do these tiles require grout Q: Can these tiles be installed over existing flooring