About this item PRE-DRILLED HOLE: The 16 oz snowglobe glass can with handle has pre-drilled hole and you can add glitter or other small decoration into it. SILICONE PLUG INCLUDED: The silicone plug is included so you can easily seal the hole when getting the snowglobe tumbler finished. PREMIUM MATERIAL: Made of high borosilicate glass, the snowglobe glass can itself is heat and cold resistant. Note: The glitter and solution in the interlayer will affect the heat dissipation of the cup, so finished snowglobe tumbler is not for hot water. PACKAGE CONTENT: The package include 6 snowglobe tumbler with handle, 6 plastic straw and 6 plug.