You are buying a 12" x 36" x 10mm of blue miners moss, sluice box matting & a FREE DIGIWEIGH Digital Pocket Scale 1000g x .1g to weigh all your gold!You are buying a 12" x 36" x 10mm of blue miners moss, sluice box matting & a FREE DIGIWEIGH Digital Pocket Scale 1000g x .1g to weigh all your gold!