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This large foil balloon in the form of the number 17 is ideal for birthday celebrations and other milestone events, creating an eye‑catching focal point for photos and decor. It inflates to a dramatic height and pairs well with other party elements to set a festive mood. For those planning a themed or bright, cheerful event, this number balloon adds a bold splash of colour that can stand alone or work in tandem with complementary decorations.

Key Points

The practical design includes a self‑sealing valve that helps prevent leaks once inflated, and a hanging hole at the top to position the number precisely where you want it. The foil material is durable and designed to resist tears, while the colours stay vibrant under natural room lighting. Two balloons are supplied along with plastic straws for inflation, making it straightforward to achieve a neat, professional look for the party.

The balloons are reusable to some extent because they can be deflated through the straw and stored flat for later occasions. This helps you extend their use beyond a single event and coordinate with other decorative pieces for future celebrations. The big size, approximately 101 cm (40 inches) long when fully inflated, ensures visibility from a distance and works well as a backdrop for group pictures.

Bold design accents help the overall aesthetic without requiring additional typography or busy patterns. The package is suitable for a range of events including birthdays, anniversaries, graduations and wedding receptions, where a bright, celebratory atmosphere is desired. For safety and performance, press the self‑sealing valve to ensure a secure seal after inflation.

💡 Note that the self‑sealing feature is designed for convenience, and it is recommended to press the valve gently after inflating to reduce the chance of air leakage. The set includes two straws that can be used to release gas and re‑shape the balloons if you wish to reuse them later. 🎈

Branding note: a clearly visible display of the number helps mark the moment, and you can pair the items with complementary metallic or matte décors to suit your venue.

Technical Specifications

• Name: OFFCUP Number 17 Balloon
• Material: aluminum foil, non‑toxic and durable
• Size: 101 cm (40 inches) in length when inflated
• Quantity: 2 number balloons plus 2 plastic straws
• Valve: self‑sealing with an opening at the top for hanging
• Reusability: deflates for storage and potential reuse after simple adjustments
• Colours: red finish with a bright, high‑contrast appearance
• Usage: suitable for indoor installation at parties, celebrations, and photo setups

Usage Recommendations

For best results, inflate the balloons with helium or air until the valve closes automatically, then press the valve to minimise any slow air loss. Use the hanging hole at the top to suspend the numbers at the desired height, and consider pairing with other numbers or decorative elements to mark a specific age or milestone. If you plan extended use, deflate gently through the straw when you are ready to store, and ensure the balloons are kept away from sharp objects to preserve their condition. The bold red shade offers high visibility in photographs and can complement a range of tableware and lighting schemes.