The Royal Crochet Cotton Natural Lot Of 3 is a set of high-quality crochet cotton threads, perfect for various crafting and knitting projects. This lot includes three different natural colors of crochet cotton, allowing for a wide variety of creative options when working on your next project. With the Royal brand known for its excellent quality and softness, you can trust that these threads will provide beautiful, intricate designs for your crochet creations. Some discoloration on plastic sleeves, please see pics. I don't think it has caused any damage to thread. These are vintage skeins, so not perfect