Our Thermally-fused laminate shelves are 5/8 inch thick which makes them the strongest available Supports up to 100 pounds per linear foot without bending or sagging Our Thermally-fused laminate is green and meets environmental certification from trade associations Shelves adjust easily without any tools to fit your changing needs Use 12.5" freedomRail Wood Brackets (sold separately) for 14"D shelves Works with other freedomRail components sold separately