--- product_id: 46357774 title: "18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18)" brand: "sliy" price: "574927₫" currency: VND in_stock: true category: "Health and Beauty" url: https://www.desertcart.vn/products/46357774-18th-birthday-party-supplies-18th-gold-number-balloons-foil-helium store_origin: VN region: Vietnam --- # 18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) **Brand:** sliy **Price:** 574927₫ **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) by sliy - **How much does it cost?** 574927₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/46357774-18th-birthday-party-supplies-18th-gold-number-balloons-foil-helium) ## Best For - sliy enthusiasts ## Why This Product - Trusted sliy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Need Props for the Senior Pics? These can be a backdrop as a Banner, JUMBO SIZED 40 Inch needs Helium to Float or you can fill with Air and use them as Props for Photos Perfect for birthday party, wedding, holiday, business, Big events, School class parties,celebrations and other on-site decoration. How to Properly Use Aluminum Foil Balloons:♥ ♥ ♥Blow air into the balloons must be slow, the available pump charge to 90%, then Straw gas blowing, easy to control, so as not to break. If there are 2 layers of aluminum foil sticky situation, must stop inflating, The 2 layer of aluminum foil and then inflated, or easy to damage.♥ ♥ ♥Because the gas thermal expansion and contraction, or winter temperature reduced, should be inflated to the aluminum foil balloon; and the summer temperatures rise, should be appropriate to foil balloons deflated, so as to avoid expansion rupture. ♥ ♥ ♥The balloon may have a slight leakage of the individual, after all is factory mass production, with transparent glue can remedy the emergency.Why the balloon filled with helium and hydrogen only float for 72-144 hours?♥ ♥ ♥When the balloon filled with helium or hydrogen, because these atoms of the gas is very small, can penetrate foil balloons, so the balloon will inevitably slow leak. In general, filled with helium or hydrogen balloon can float in the air about 2-3 Days, the balloon will be deflated slowly, it is normal for good quality aluminum foil balloon.♥ ♥ ♥But if the balloon is filled with air, good quality of the balloon is normally not leak, it can last for several months or even half an year.♥ ♥ ♥ Quality product using only the best materialsExtra large size(40 inch)and beautiful metallic finish ## Features - ♥♥♥Huge size(40 inch), Amazing photo prop,beautiful and unique visual effects,which is the best 18th birthday party decor.You can put it anywhere you want, You can also hold it with hand together with your friends to make a surprise. - ♥♥♥Easy to use: Auto-seal,you can use pump or straw to blow the balloon, it can keep the gas for a few days.Inflate the balloons with Hydrogen and helium etc , It can float; you can also inflate air but can not float. Pls choose according to your need! - ♥♥♥Premium quality - This balloon is made from super high quality, premium foil. When filled with helium, they stay inflated for at least 3 days, making them one of the best on the market today! - ♥♥♥40 inch balloons use them as Props for Photo,Can be used repeatedly - ♥♥♥We believe in our Premium Quality products. Should you have any issues, worries or concerns you are backed by our 100% Customer Satisfaction Money Back Guarantee. Return for any reason and receive a full refund. ## Images ![18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51nsNwztu0L.jpg) ![18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) - Image 2](https://images-na.ssl-images-amazon.com/images/I/41kQi43fZ5L.jpg) ![18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51hyF87i5eL.jpg) ![18th birthday party supplies 18th Gold Number Balloons foil helium balloons,birthday decorations 18th anniversary gifts.(40inch gold number 18) - Image 4](https://images-na.ssl-images-amazon.com/images/I/41I8k%2BPEzoL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/46357774-18th-birthday-party-supplies-18th-gold-number-balloons-foil-helium](https://www.desertcart.vn/products/46357774-18th-birthday-party-supplies-18th-gold-number-balloons-foil-helium) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-15*