Fits standard beer bottle or standard can. 
With the added thickness, the insulation of your Swig™  keeps your drinks hot or cold for even longer and protects it from drops and bumps along the way.Crafted from 304 grade18/8 stainless steel. All Swigs are BPA free,FDA approved, and highly resistant to rust, odors, and bacteria.  BPA-free, FDA approved and safe for all ages.
DISHWASHER SAFE– All Signature Swigs are dishwasher safe. The powder-coated finish keeps the cup safe from the heat of yourdishwasher and helps protect against chips and scratches.
CLASSIC SWIG TMT ECHNOLOGY VACUUM INSULATION– Swig™ drinkware uses double-wall, vacuum-sealed insulated technology, which means the space between the stainless steel walls is void of matter. With no medium for heat to transfer, your drink’s temperature will not be impactedby the outside temperature.
SUPERIOR TEMPERATURE RETENTION (HOT/COLD)– Swig’s double-wall tumblers, mugs and bottles will keep your drinks seriously cold (or hot!). Swigs are engineered to maintain the temperature of your beverage for the maximum time possible with current technology.
COPPER COATED INSULATION– Swig’s double-wall stainless steel inner surface is copper plated, which provides an additional barrier against heat entering or exiting the vessel.