MASON JAR COLLECTION! Perfect for Indoor & Outdoor Events! 10 oz. Classic Mason Jar Tumbler is made of durable NAS Acrylic Plastic. USA Made and perfect for indoor or outdoor use. Optional colored screw-on Lids and frosted flex-straws w/colored straw cap available, see options. Prices include a one color, one location imprint. Multi-color imprint, 2nd side imprint and full color process imprinting are available. BPA free, FDA approved and recyclable. 6 other sizes of Mason Jars available, see other styles. Dishwasher safe.