PET Child Resistant Packer Bottles (Polyethylene Terephthalate) is the excellent material to choose if the packaging requires clarity and transparency. They are commonly used for vitamin bottles and health supplements. The containers are semi-rigid to rigid depending on wall thickness. The containers off the following characteristics: 1) Good alcohol and solvent barriers. 2) Good gas and moisture barriers. 3) Good stress crack resistance and impact resistance at room temperature. 4) Good mold ability. 5) Ability to sterilize through EtO and gamma radiation. The PET packer bottles also come with a child resistant pressure seal foam liner cap. The foam liner reads, “sealed for your protection” once you close the child resistant cap.