Because we manufacture all of our plastic products, we have been able to develop materials and processes that give our Jewel products remarkable clarity and consistency. We work with highly clarified plastic resins, and we use a patented color concentrate that gives beautiful color and uniform dispersion, to produce products that are as clear as acrylic, but the cost of regular plastic. Multicolor decorating is available on all of Humphrey’s Jewel products. They are all Made in USA, and comply with California’s Prop 65 and the Consumer Product Safety Improvement Act of 2008.