Aluminum caps provide secure sealing to leaks, perfect for storing liquids like essential oils or small particles Make of food grade glass and metal ( aluminum caps), ensuring odors resistant storage for candies while prioritizing user These compact glass bottles feature light weight design with attached aluminum caps and keychains, making they easy to carry on backpacks or rings for travel and outdoor activities Crafted from premium transparency glass for clear visibility of contents, ideal for home decoration and Beyond wishing bottles, they function as storage containers for beads, or collectibles, catering to students, and organizers