---
product_id: 61599537
title: "Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK"
brand: "holy mackerel"
price: "A$13"
currency: AUD
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.au/products/61599537-holy-mackerel-youre-a-big-brother-new-baby-card-him
store_origin: AU
region: Australia
---

# Eco-friendly cornstarch biodegradable packaging Compact 15cm square size, perfect for letter post Matte inside finish ideal for personalized messages Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK

**Brand:** holy mackerel
**Price:** A$13
**Availability:** ✅ In Stock

## Summary

> 🎉 Make big brother moments unforgettable with art that speaks louder than words!

## Quick Answers

- **What is this?** Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK by holy mackerel
- **How much does it cost?** A$13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/61599537-holy-mackerel-youre-a-big-brother-new-baby-card-him)

## Best For

- holy mackerel enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Inside:** Blank interior invites your heartfelt, personal message
- • **Perfect Postage Size:** 15cm square fits Royal Mail letter post to save on shipping costs
- • **Eco-conscious Packaging:** Wrapped in biodegradable cornstarch bag with color-matched envelope
- • **Premium Quality Materials:** Heavyboard from sustainable sources with glossy outside and matte writable inside
- • **Designed by UK Artist Erica Sturla:** Unique, vibrant artwork from the acclaimed 'Ferdie & Friends' range

## Overview

This 15cm square new baby card, designed by UK artist Erica Sturla, features a charming illustration of a boy with his little sibling. Printed on heavy, sustainably sourced board with a glossy front and matte writable inside, it comes blank for your personal message. Packaged in a biodegradable bag with a color-matched envelope, it’s perfectly sized for Royal Mail letter post, combining style, sustainability, and convenience.

## Description

Full description not available

## Features

- Every child loves a card on their doormat or on their mantelpiece, so make a little one's day with this bright and fun card designed by UK artist Erica Sturla and from her "Ferdie & Friends" range - great on its own or to accompany your new baby gifts
- Minimise postage costs - the card is 15cm square when folded, that's approximately 6 inches square, and is ideal for Royal Mail letter post
- Send your own sentiments - there is no verse or text inside, the card is blank inside for you to write your own message
- The outside of the card has a glossy finish, inside the finish is matt and uncoated, making it suitable for writing on with most types of pen
- The card comes with a lovely quality colour matched envelope and to protect the card and envelope it comes wrapped in a clear cornstarch biodegradable bag. It is printed in the UK on a heavy quality board which comes from sustainable sources

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Holy Mackerel |
| Brand | Holy Mackerel |
| Product Dimensions | 15 x 15 x 0.1 cm; 23 g |
| Colour | Blue |
| Number of Items | 1 |
| Size | 5.75x5.75 Inches |
| Manufacturer Part Number | ESE37 |
| Item Weight | 23 g |

## Images

![Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK - Image 1](https://m.media-amazon.com/images/I/61vaSCwhtzL.jpg)
![Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK - Image 2](https://m.media-amazon.com/images/I/51a6we65xjL.jpg)
![Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK - Image 3](https://m.media-amazon.com/images/I/61qCYsYZlvL.jpg)
![Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK - Image 4](https://m.media-amazon.com/images/I/81BmfzVLK-L.jpg)
![Holy Mackerel you're a big brother new baby card for him featuring a boy with his little sibling - designed by artist Erica Sturla - 15cm square and blank inside for your message - made in the UK - Image 5](https://m.media-amazon.com/images/I/61KSkTEM3EL.jpg)

## Available Options

This product comes in different **Style Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Real winner
*by D***Y on 2 April 2025*

Great card well received by big sister 🤣

### ⭐⭐⭐⭐⭐ lovely card
*by J***S on 10 February 2025*

lovely card - a bit pricier than in shops but not easy to get hold of this type of card

### ⭐⭐⭐⭐⭐ FAB
*by S***P on 17 March 2025*

Beautiful card great service definitely recommend

## Frequently Bought Together

- Holy Mackerel You're a Big Brother card - sibling's new baby card designed by Erica Sturla For son, nephew, grandson, brother etc. 15cm square & blank inside, made in the UK
- I'm A New Big Brother Badge 76mm Congratulations New Baby Gift Sibling

---

## 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.com.au/products/61599537-holy-mackerel-youre-a-big-brother-new-baby-card-him](https://www.desertcart.com.au/products/61599537-holy-mackerel-youre-a-big-brother-new-baby-card-him)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-25*