Material:Plastic Use:Promotional Pen Novelty:No Product name:Novelty injection shaped syringe liquid pen for medical doctor Pen type:syringe shaped pen Tip:0.5 0.7 1.0 mm Logo:silking printing, laser engraving, heat transfer, etc. Eco-friendly:YES Certificate:MSDS, SGS Ink:Oily, gel, liquid Ink color:black blue Pen color:many color available OEM ODM:YES