Changes color in direct UV sunlight

Color intensifies with strength of UV rays

Patented US #29,896,946

38% reduction in plastic usage compared to 14 oz. beer stein

38% savings in shipping per minimum piece order

Stackable stein allows for compact shipping and reduced shipping costs

Thumb-grip handle, with opening on bottom

Easily stacked for better storage

Durable plastic

Top shelf dishwasher safe