The air vents keeps our garlic jar ventilated, which keep the garlic cool and dry. While the lid protects the garlic from light for a longer shelf life and prevents sprouting. Decorated with blue/ teal and purple glaze on a white neutral background with a shiny finish. Measures approximately 4 1/2″ x 4 1/4″. Each one is hand-glazed. Therefore, glaze design may vary slightly from the one pictured.