I can't tell for sure but I would say it's similar to an eye lash type yarn. You can always contact the company and find out. Or have a look a the ball, there should be a gauge chart on the lable that you can match to another type of yarn.
Patons Ritz yarn was a bulky yarn. It was about 12 ply.http://www.ravelry.com/yarns/library/patons-ritz
because its pertty
This does not seem to be a current yarn. I suggest you contact Paton's via their website.
Ply Gem Industries Inc. is a subsidiary of Nortek Inc
Weight: Bulky / 12 ply (7 wpi) Gauge: 16.0 to 18.0 sts = 4 inches US 9 - 5.5mm
Patons has many weights of Tweed wool, so look through the Paton link and see if you can find the specific wool you are looking for and have an answer that way.
It appears by looking at the Patons link I attached, that this yarn is still available. If you don't know where to find it in your area, contact Patons and they would be able to direct you to an online or retail store in your area. (at the top of the page of the Patons link, is a Store Locator tab that you could also click on).
Ply Gem Industries Inc. had 4,079 employees in 1998
Ply Gem Industries Inc. had estimated sales of $790 million in 1998
Patons Jet Wool is a 10-ply yarn, which makes it a bulky weight yarn. This construction provides a thicker texture, making it suitable for quick knit or crochet projects, such as blankets and warm garments. Its composition typically includes a blend of wool and acrylic, offering warmth and durability.
Patons Patex Boucle is a worsted weight yarn, typically classified as a 4-ply yarn. Its boucle texture creates a unique, textured fabric, making it popular for various knitting and crochet projects. Always check the specific product details for any variations, as yarn specifications can sometimes differ slightly.
Patons Shadow Tweed wool is a medium weight yarn that is classified as a 4-ply or worsted weight yarn. This yarn typically has a soft texture and is suitable for a variety of knitting and crochet projects, including garments and accessories. The tweed effect adds visual interest, making it a popular choice for textured patterns.