Easy Maintenance: these reusable bamboo wooden lids are easy to clean, just wash and wipe with a rag after cleaning, and keep it dry in a ventilated place to help extend the service life of the lid. Good Sealing Performance: these bamboo jar lids are equipped with a silicone sealing ring, which can well assure the sealing performance, effectively keeping dust, water, air, and other dirt away from your food and drinks, ensuring extended freshness. Specifications: Material: Wood, Silicone, Bamboo Color: Bamboo Size: approx 2.68 inches Package includes: 24 x Oui Yogurt Jar Lids,24 x Bottle Label Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.