Seal the Deal! 🥛 Designed for Stan-Pac and Libbey bottles, ensuring a snug seal. Stock up and never run out of caps again! Ideal for home, office, or on-the-go hydration. Effortless application for a hassle-free experience. Embrace eco-friendly living with BPA-free materials. 48mm size Snap-on design BPA-free These replacement caps are BPA-free plastic snap lids designed specifically for Stan-Pac and Libbey glass milk bottles, fitting bottles with a 48mm opening. Perfect for maintaining freshness and preventing spills, these caps are a must-have for eco-conscious consumers.