1.Material :PVC 2.CE(Conformite Europeenne) in 2012 3.ISO9001:2008 certificate 4.Used in medical schools,hospitals Features :  1.. Accurate bone markers: obvious interspace of spinous process and posterior superior iliac spine;2.. Puncture position: 3-4 lumbar intervertebral space;3. Realistic touch feeling and a characteristic of ″pop″can be felt when needle penetrates into veins, outflow of simulated cerebrospinal fluid proves correct puncture position;