PETS@WORK product line is created by Adda Products Limited, a design-oriented company based in Hong Kong. The product line mainly consists of computing, desktop and home accessories based on two comic characters, "Kam Kam" the cat and "Don Don" the dog. The characters are infused with aesthetic elements in the pursuit of higher-living standards, as well as the "loving pets" concept. Kam Kam and Don Don have been enjoying wide appeal within the 15-35 age group since they were introduced in 2001.