Our porrons are made from recycled glass and this holds up to 1 liter of your favorite beverage. Hold up towards the mouth, but never touching it, and tilt to produce a stream of wine. Then move it away to arm's length and swallow without closing your mouth. Stop drinking with a quick twist of the wrist or any hesitation will leave a trail of wine down your shirt front. For first time users, we recommend a bib or practice with water so that you can nail it when you bring it out in public.