16 Oz. Blow molded square mason jar mug is USA made of PVC plastic. Blow-molded version is more flexible, almost unbreakable and less expensive than Acrylic. Optional gold or silver lid & flex-straws available. Prices include a one color, one location imprint. Multi-color imprint, 2nd side imprint and full color process imprinting are available. Hand wash only, not dishwasher safe, BPA free, FDA approved and recyclable. Also available in a 26 Oz. size.