Manual:
How To Use: The Pad has 4 blood vessels. The two red blood vessels can be injected with red ink or red medicine instead of blood by a syringe. After filling, the injection will produce a blood return effect.
Two green blood vessels are open and can be used for infusion exercises.

Production Description:
Realistic Silicone Skin Quality，3 skin layers（Skin/Fat/Muscle), 4 Veins Imbedded(2 Sizes)
Can be used for Venipuncture IV Injection, Injection Training, Infusion training, Blood transfusion and Skin Suture Training
Skin size: (7.1" x 4" x 1.1"), Super soft skin placed on Sturdy Base
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Package Included:
4 Pcs IV Injection Training Pad Model
No syringe included