Pre-owned Patons Cha Cha yarn. #02005 Tango. Unsure if all four are same dye lot. 100% nylon. Each skein/cake Approx. 1.75oz/ approx 77 yards.  2 skeins w/wrappers and 2 cakes/no wrappers.  Shipped from my non-smoking home - one dog/no cats.