Ks-Tek Sterile Empty Vials Steam sterilization: 121 Degree C 20min Individual package Sterilization indicator bag shows completion of sterilization Aluminum-plastic cover : 20mm Color Filp Off Self Healing Injection Port: Officinal PTFE Coating 3ml 10pcs 5ml 10pcs 10ml 10pcs 15ml 10pcs 20 ml 10pcs 30 ml 10pcs 50 ml 6pcs 100 ml 4pcs