Specifications: 1. Single use, sterilization By EO gas, non-toxic, non-pyrogenic 2. The barrel is transparent enough to help user observe the mixture and liquid flow easily. 3. The indelible graduation make the reading easy 4. The distance between finger grips and barrel is according to the ISO standard, It can guarantee an easy grip. 5. Sterilized by Ethylene, Oxide Gas( EOG) 6. Validity life: 5 years Production description: 1. Barrel and plunger: Made of medical transparent polypropylene. 2. Piston: Made of natural rubber or latex free pistion, they are internation strandard pistion 3. Needle: Strandard steel medical grade material 4. Neddle protector: Make of medical grade transparent PVC 5. Neddle come form NIPRO or KDL, It's very sharp 6. Packing: Individual package have polybag or blister, middle have polybag and box, strandard carton .