Bluefig-Pearl District Yarn Sleeves: Ebony Black Houndstooth. These sleeves are perfect for knit and crochet projects! These sleeves have a large opening for loading your favorite yarn and a grommet on the end for easy draw of yarn while you knit or crochet. This package contains one 5x10x5 inch yarn sleeve and one 4-1/2x6- 1/2x4-1/2 inch yarn sleeve. Imported.