Set is Marblz by Knitter’s Pride. Discontinued product line.   Tips are acrylic with a marbled design.  Lot includes 8 sets of 4.5" tips in US Size 4, 5, 6, 7, 8, 9, 10, and 10.5; 3 cords 2 - 32" and 40" (size is with tips attached); end caps, and tightening key.  No case.  Some of the sizes have rubbed off, but any needle sizer will show what size.  Other cords from Knitters Pride or Knit Picks will also fit these tips.