A Beautiful Veneered Pyrex Cartomizer Tank by Mist in the Woods! Wood on the outside, Pyrex on the inside. These tanks are both beautiful and functional. Each Phiniac Phineer is a one of kind work of art! They are handcrafted from start to finish. As is the case with EVERY Phiniac tank, the glass on the inside of each is annealed to further strengthen it and make it more rugged. Phiniac Phineers will provide a worry free vaping experience that gives confidence to the user when using the more "demanding" liquids... Tank Specs (With caps):Size: XL 46mm Tall OD 23.3mm Wall 3.2mm thickCapacity 4ml (Due to the process used to create these tanks there will be very slight variations in these specs) Includes caps as well as an extra set of o-rings.Due to the differences in monitors, colors in photos might display differently on your monitor then actual colors of the product.