I can't even find a mention of it on the internet. According to the towel, it was Printed in USA in 1979 by Walt Disney Productions.
It is 34" X 57". The item "The Black Hole Towel Vintage 1979 MPC Walt Disney Studios Very Rare" is in sale since Friday, November 1, 2019. This item is in the category "Toys & Hobbies\Models & Kits\Science Fiction\Other Sci-Fi Models & Kits".
The seller is "pikerz" and is located in Spokane, Washington. This item can be shipped worldwide.