Features: Size Information: The outer side of the black rubber piggy bank plug measures approximately 42mm/1.65 inches in diameter, the inner diameter is 33mm/1.3 inches, fitting most piggy banks and other types of boxes. What You Get: The package includes 20 pieces of piggy bank closure plugs, the rubber plug can hold items in the box without slipping, the stoppers on the outside of the box are suitable for containers with liquids or solids. Durable Material: These piggy bank plug covers are made of rubber, durable and reusable, and can be used for a long time, they feel smooth and comfortable, ensuring you can use them again and again. Applicable Occasion: Black rubber stopper covers can help you solve the problem of piggy banks without lids, can also be used to protect or cover holes and to protect boxes from sharp corners or edges. Warm Notice: Choking hazard and small parts, keep away from children under 3 years old.