55% Nylon 45% Acrylic Needles US 7 (4.5mm) - US 8 (5mm) Crochet Hooks H (5.00mm) - J (6.00mm) Weight 3.5oz Length 241yds (220m) Gauge 18-20 stitches to 4" Yarn Weight Aran & Worsted Machine Wash Gentle, Warm Tumble Dry, Normal Dry Flat