Warp's patented ribbed shelf liner wipes clean easily and is durable - about 5 times thicker than ordinary liner. Deep ribs allow air flow under glasses - clears out moisture and stale air. Exclusive ribs provide extra cushioning to protect dishes. Sanitary. Easy glide surface won't tear. Heavy pots, pans, and canned goods that would gouge and rip ordinary shelf liners slide easily across the unique ribbed surface. Cuts easily with regular scissors and lays flat. Protects fine wood finishes and has no messy adhesives. Waterproof ribbed shelf liner resists stains and wipes clean with a damp cloth.