Debbie Bliss Roma Yarn is a similar yarn: hand wash, super bulky (11 sts or less/4 in), 100 gram, and on size 17 US needles. You may also like Rowan Big Wool Colour Yarn, which is another similar yarn: wool, hand wash, super bulky (11 sts or less/4 in), and 100 gram.
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 Tahki Big Montana Yarn can help you come up with your next exciting new project idea!