---
product_id: 65678985
title: "Boys Astronaut Big Brother Shirt 5-6 Navy by Sunshine Mountain Tees"
brand: "sunshine mountain tees"
price: "¥6315"
currency: JPY
in_stock: true
category: "Apparel"
url: https://www.desertcart.jp/products/65678985-boys-astronaut-big-brother-shirt-5-6-navy-by-sunshine
store_origin: JP
region: Japan
---

# Boys Astronaut Big Brother Shirt 5-6 Navy by Sunshine Mountain Tees

**Brand:** sunshine mountain tees
**Price:** ¥6315
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Boys Astronaut Big Brother Shirt 5-6 Navy by Sunshine Mountain Tees by sunshine mountain tees
- **How much does it cost?** ¥6315 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/65678985-boys-astronaut-big-brother-shirt-5-6-navy-by-sunshine)

## Best For

- sunshine mountain tees enthusiasts

## Why This Product

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

## Description

Perfect pregnancy announcement or gift for the Big Brother on the new baby's arrival! This is an incredibly soft, 100% cotton, awesome t shirt. Printed by hand using eco-friendly inks with a soft feel. This soft and durable American-made shirt is pre-shrunk but runs small; please order a size up.

## Features

- Perfect pregnancy announcement or gift for the Big Brother on the new baby's arrival!
- Wonderfully soft, high quality shirt.
- Runs small; please order a size up!
- 100% Cotton; Made in the USA. Printed on American Apparel.
- Professionally screen printed using soft, high quality, eco-friendly inks.

## Images

![Boys Astronaut Big Brother Shirt 5-6 Navy by Sunshine Mountain Tees - Image 1](https://images-na.ssl-images-amazon.com/images/I/51K-AKVdNBL.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.jp/products/65678985-boys-astronaut-big-brother-shirt-5-6-navy-by-sunshine](https://www.desertcart.jp/products/65678985-boys-astronaut-big-brother-shirt-5-6-navy-by-sunshine)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-06*