Closed - 4"h x 8-1/4" w x 4-1/4". Open - 20" h x 8-1/4" w x 2-1/2". Made from black microfiber material with contrasting trim. Contains four separate clear triangular zip compartments and has two magnetic snaps. There is space enough for all your knitting tools and essentials, but compact to carry along in your knitting bag. Top handle for easy carrying and of course, the adorable knit happy logo! Available in black with white, blue or green trim.