SULKY-Embroidery Slimline Dream Assortment. This assortment contains 101 of Sulky s most popular 250 yard slim spools of Sulky 40 wt rayon thread a top quality strong 100% rayon shiny thread that is especially suited for applique and embroidery on children s clothing work clothes sports clothes or any garment that will need to be washed frequently and a super convenient molded plastic transparent carry/storage case measuring 14-1/2x14-1/2x2-1/8in with a variety of storage options: closed partially open on a table/counter top or fully open and mounted on the wall: the choice is all yours. Made in USA.