Art Effects Manufacturing Co. Offers Slate Finish Paw Print Brass Pet Urn. Art Effects Manufacturing Co. Is into production of metal cremation urns and the company has gained ISO 9001:2000 Certification. This pet cremation urn has solid brass slate finish and engraved paws all over in two tone finish. The engraving is entirely hand done and the urn requires no maintenance. The sizes available are 10.5", 8.5", 7", 5.5", 2.75" and it comes with a very secure threaded "screw-on" top lid and felt bottom.