POD glassware relies on two decoration methods: UV printing deposits cured ink directly onto the glass for full-color designs, while laser engraving etches into the surface for a frosted-finish mark. Sellers comparing glass blanks should look at the vessel type, printable zone, and whether the product is built for drink use or decorative use.
Pint glasses, wine glasses, and glass mugs are the primary product types. Glass is non-insulated and more fragile than ceramic or stainless steel, which affects packaging requirements and breakage risk. The transparent material gives artwork a different look than opaque drinkware, especially when designs use white ink, etched lines, or negative space.