Conver USA 19297-18SP Congrats Star with Stream Packed Balloon, 18" This foil balloon would be perfect for any party or celebration that you might have Balloons will stay inflated (with Helium) for up to 1 week! Mix and Match with Latex and Foil Balloons to create fun, festive balloon bouquets as easy party decorations that make a major impact! Great decorative addition to any party This product is easy to use and highly durable Manufactured in Mexico