A master set of all 360 colors. These are the actual 12 ply silk threads presented in 18 cards. No more guess work, a must have design tool for those who are creative or just like to do their own color selections. Can also double as a sample book for Rainbow Gallery Grandeur, Elegance, and Subtlety all which are silk perle threads. (Not all splendor colors are available in the silk perle threads. Refer to RG website for specifics.) Product is new and not a previously used reference set by the shop.