Butterfly needle: 1.Steriled by E.O., Non-toxic, Non-pyrogenic 2.Made of high quality Austenitic stainless steel Butterfly needle:1. containing 1 production lines; 2. can produce 60000000 pcs straight needle for one year;3. In 100,000 grade clearness;4.Cover,Butyl Jacket,cork needle,needle seat,Intravenous needle5.save paper label5.Under the conditions of ventilated and dry room Butterfly needle