Plymouth Gina Chunky Yarn is a similar yarn: wool, hand wash, bulky (12-15 sts/4 in), 100 gram, and 100% wool. You may also like Cascade Eco+ Yarn, which is another similar yarn: wool, hand wash, and bulky (12-15 sts/4 in).
What about yarn that have the same look and feel? Find more yarn that is undyed, a smooth / uniform texture, and felts.
Hopefully our suggested project ideas for Rowan British Sheep Breeds Chunky Undyed Yarn can help you come up with your next exciting new project idea!