Features: 1) Needle is imperceptible and minute with a sharp pinpoint 2) Needle and head of tube are integrated when infused 3) Graduations on the tube are clear and close 4) Rear jacket to the injection can protect from pollution. Packing:Insulin syringes (PE) 10/poly bag 20?10cm 100 pcs/box 17?14?8cm 1000pcs/carton 43?36?16cm Origin China Material Medical Materials Packaging PE&Blister