These Empress PET cup lids create a tight seal over the cup to prevent accidental spillage and feature a center straw slot for easy access on the go. PET is designed to maintain the original flavor and aroma of the contents inside, making it an ideal choice to hold a variety of different types of beverages. These cup lids are designed for use with the following Empress PET cups: EPET14, EPET16, EPET20, & EPET24.