Sealed Wooden Lid - The top lid helps keep your butter stick or margarine fresh in the refrigerator without mixing the flavors of other foods. The silicone ring enhances the airtightness of the container. You can easily remove the silicone seal ring for better cleaning. Very Large - Butter container size 2.8‘’h x 3.7''w x 5.6''l, depth and width enough to hold standard butter. Suitable for eastern and western/European butter. Versatile - This dish not only for butter keepers, but also for great kitchen storage containers for spices, salt, flour, condiments, etc. The wooden lid can be used as a butter cutting board to help you cut the butter better. Ceramics - Sweejar insists on using porcelain materials. Safe for use in microwave ovens, ovens and dishwashers (not suitable for wooden lid).