# Sister Greeting Card – Funny A6 Card with Recycled Kraft Envelope by Crumble & Core

This **funny sister greeting card** from Crumble and Core is the perfect way to bring a smile to your sibling's face.

Printed on luxury 350gsm FSC Certified cardstock, this A6 card features a standout colourful design.

The blank inside allows for a heartfelt or humorous message. It is ideal as a sister birthday card or for everyday greetings.

Each card comes with an eco friendly recycled kraft envelope to complete the presentation.

### Why choose this funny sister greeting card?

This greeting card offers:  
\- High-quality luxury cardstock (350gsm) for durability and a premium feel  
\- FSC Certified paper milled in the UK to support sustainable forestry  
\- Blank inside for personalized messages for any occasion  
\- Recycled kraft envelope for an eco friendly option  
\- Unique colourful design that stands out among typical sister birthday cards  
\- Part of the Crumble and Core collection known for quality

Crumble and Core cards are rigorously tested for print quality and color vibrancy.

Premium materials and eco friendly packaging make this a thoughtful choice for any recipient.

Whether sending a quick note or a heartfelt message, this A6 card offers a unique twist on traditional sister birthday cards.

Choose this card for a blend of humor, quality, and sustainability.

The recycled kraft envelope protects the card and aligns with environmentally conscious values.

This product delivers both aesthetic appeal and ethical standards without compromising on style.

With its playful yet elegant design, this humorous option is suitable for all occasions.

The blank inside provides total freedom to express your thoughts and inside jokes.

Elevate your greetings with luxury cardstock that combines fun and responsibility.

The A6 size makes it easy to mail while providing ample space for your handwritten sentiment.

The combination of vibrant ink and heavy-weight paper ensures your message lasts as a keepsake.

Experience a high-end feel that reflects the special bond between siblings.

## Details

- **Price:** 2.95 GBP
- **Vendor:** Crumble and Core
- **Type:** Greeting & Note Cards
- **Tags:** Birthday Relatives, Funny & Quotes, Gold Plated, Greetings Cards, Sister

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2.95 GBP | In stock |

## Images

- Crumble and Core - United Kingdom
- Crumble and Core - United Kingdom
- Crumble and Core - United Kingdom
- Crumble and Core - United Kingdom

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> Source: [Crumble and Core](https://www.crumbleandcore.com/products/sister-funny-greeting-card)
> Updated: 2026-11-02