The PET (polyethylene terephthalate) jars are known for their Glass-like appearance and Steel-like strength. The large, round body gives you plenty of space for a creative label and to showcase your product. This 4 oz clear PET heavy wall jar has a 70-400 continuous thread neck finish and round base. Due to high clarity and durability during shipping PET jars are perfect for multiple products such as personal care products such as bath salts, creams, balms, gels, body scrubs, and ointments. The wide opening allows for effortless product removal making it a great choice for food products such as peanut and nut butters