High Quality Transparent AB Resin Rhinestones Flat Back Non Hot Fix One bag of 3mm or 4mm rhinestones is enough to fill one of our 24 oz double-walled tumblers TUMBLER NOT INCLUDED NOTE: Due to the fact that our rhinestones are packaged mechanically, material residue from factory production or different colored rhinestones may appear. Therefore, we highly recommend that you check for any debris or rhinestones of another color before filling your tumbler. Our rhinestones are packed by weight and number of pieces is approximated.