This balloons is self sealing so no fingers required. This beautiful balloon is great for birthday party or used as photo props. It can really bring you more fun and joy. Manufacturered by NUOLUX. Bright color and cute candy pattern design can light up the happy atmosphere and make the party more enjoyable. Material: Aluminum foil. - Size: About 65 * 48cm/25.6 * 18.9inch(L*W). Made of premium material the balloon is durable and safe for people to use.