---
product_id: 430250356
title: "Happy Birthday Balloon Big 39\" Foil Inflated Mylar Balloons Large Self-sealing Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY"
brand: "babytree"
price: "฿918"
currency: THB
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.th/products/430250356-happy-birthday-balloon-big-39-foil-inflated-mylar-balloons-large
store_origin: TH
region: Thailand
---

# 39" size Durable material Self-sealing Happy Birthday Balloon Big 39" Foil Inflated Mylar Balloons Large Self-sealing Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY

**Brand:** babytree
**Price:** ฿918
**Availability:** ✅ In Stock

## Summary

> 🎊 Elevate Your Celebration with a Pop of Fun!

## Quick Answers

- **What is this?** Happy Birthday Balloon Big 39" Foil Inflated Mylar Balloons Large Self-sealing Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY by babytree
- **How much does it cost?** ฿918 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/430250356-happy-birthday-balloon-big-39-foil-inflated-mylar-balloons-large)

## Best For

- babytree enthusiasts

## Why This Product

- Trusted babytree brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **💖 Share the Joy!:** Bring smiles to your loved ones with these vibrant, large balloons.
- • **🌟 Premium Quality!:** Crafted from high-quality aluminum film for long-lasting fun.
- • **🎉 Celebrate in Style!:** Make every birthday unforgettable with our eye-catching 39" balloons.
- • **✨ Effortless Inflation!:** Self-inflating design means no hassle—just blow and go!
- • **🎈 Perfect for Any Party!:** Ideal for birthdays, gatherings, or any festive occasion.

## Overview

This package includes two large 39" Happy Birthday foil balloons made from high-quality aluminum film. They are self-inflating and easy to use, making them a perfect addition to any birthday celebration. Durable and vibrant, these balloons are designed to last and bring joy to your festivities.

## Description

Happy Birthday Balloon Big 39" Foil Inflated Mylar Balloons Large Self-inflating Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY

## Features

- [PACKAGE]: - You will get 2 pcs happy birthday balloons and 1 straw.
- [LARGE SIZE]:Before inflation: 39.3 * 25.6 * 0.2 in ,After inflation: 29 * 21.6 in.This happy birthday balloon is pretty large and easy to blow up.
- [GOOD MATERIAL]: The balloon is made of the high-quality aluminum film. Long lasting and more durable.
- [SIMPLE to INFLATE]:--The foil balloon could SELF SEAL after inflating, without extra operation. Easy and simple. Perfect addition to the birthday celebration.
- [CAUTION]:--Over-inflation, sharp objects, unclean surfaces, direct SUNLIGHT, and excessive squeezing can easily damage and burst the balloons.

## Product Details

- **Occasion:** Birthday
- **Color:** 39" Birthday Cake
- **Included Components:** straw
- **Theme:** Birthday
- **Material:** Aluminum
- **Unit Count:** 2 Count
- **Item dimensions L x W x H:** 25.6 x 7 x 39.3 inches
- **Size:** Large
- **Brand:** Babytree
- **CPSIA Cautionary Statement:** Choking Hazard - Balloon

## Images

![Happy Birthday Balloon Big 39" Foil Inflated Mylar Balloons Large Self-sealing Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY - Image 1](https://m.media-amazon.com/images/I/81XLAOBjw1L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Does it come inflated?**
A: No, you would need to inflate it yourself. But it’s pretty easy to do so.

**Q: How do these seal?**
A: The Mylar balloons self seal.

**Q: Do they come with balloon weights?**
A: No just balloons

**Q: Can you blow up these birthday balloons with mouth?**
A: Yes, but I recommend using the inflator pump instead of blowing the balloon with your mouth because blowing with your mouth can be very tiring.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Decor
*by C***D on March 22, 2025*

Great decorations, really the stand out at the party. Filled one with regular air and one with helium both stayed firm for several days. Great find!

### ⭐⭐⭐⭐⭐ Wonderful
*by C***S on March 16, 2025*

Granddaughter loved it

### ⭐ Beware
*by W***L on April 17, 2025*

The description says these balloons are "self inflating." They are not.

## Frequently Bought Together

- Happy Birthday Balloon Big 39" Foil Inflated Mylar Balloons Large Self-inflating Happy Bday Delivery Ballon Party Decoration Inflatable Ballons Supplies YAY
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**Shop now:** [https://www.desertcart.co.th/products/430250356-happy-birthday-balloon-big-39-foil-inflated-mylar-balloons-large](https://www.desertcart.co.th/products/430250356-happy-birthday-balloon-big-39-foil-inflated-mylar-balloons-large)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-24*