Specification: acupuncture needle stainless steel wire spring handle , original steel color surgical stainless steel wire from Japan or Germany origin medical paper blister foil individual separately packaging without insertion guide tubes acupuncture needles ETO sterilized single use only pyrogen free manufactured in Class 100,000 clean room ISO13485,CE,FDA (510K) Certified 100pcs per small box 5 needles per flat,20 flats colored art,number is printed on the box