This set of 100 white screw caps tops lids closure ribbed 28-400 foam liner is a must-have for any business or individual dealing with healthcare, lab, or dental products. Made in the United States, these unbranded/generic caps provide a secure seal for your products, ensuring their safety during transportation and storage. The California Prop 65 Warning status of these caps is unknown. Ideal for use in a variety of industries, these screw caps are easy to use and offer a reliable closure solution for your needs. With a unit quantity of 100, this set is perfect for those who require a large amount of caps. Order yours today and ensure the safety and security of your products!