Ch'ichi 30% Alpaca, 30% Linen, 25% Bamboo (Viscose), 15% Micro Tweed dry clean any solvent but trichlo-ethylene iron low do not tumble dry dry flat do not bleach hand wash Print Color Card Recommended Needle Size US MM UK HOOK 3-5 3.25-3.75 10-9 D3-F5 5.75-6.5 sts = 1" Light/Fine wt.