This polyethylene plastic (PET) jar comes with a 89/400 continuous thread finish. The wide opening allows for effortless product removal making it the go-to packaging choice for peanut butter, nut butter, as well as lotions, creams, and powder products. The base is just as wide as the opening giving it straight walls that make it easy to label. The PET plastic gives it high clarity to showcase your product. Compatible with a lid that has a 70/470 finish. Made in the USA.