4+4 Pieces /8+8 Pieces Multi-Functional Carpet Holder, Suitable For Hardwood Floor And Tile Non-Slip Carpet Stickers, Reusable And Washable Carpet MATS, Non-Trace Strong Adsorption Double-Sided Sticky Yoga Mat Mat Non-Slip Stickers, Keep Corners Flat, Free Cutting, Easy Peeling,Non-Slip Accessories For The Elderly,Carpet Tape, Anti-Pet Cat, Dog Scratch,Please Read The Installation Diagram Video Instructions Carefully Before Installation