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

This Sister greeting card from Crumble and Core is the perfect way to bring a smile to your sibling's face on any occasion. Printed on luxury 350gsm FSC Certified cardstock, this A6 greeting card features a colourful design card that stands out with its unique sister cards style. The blank inside card allows you to add your own heartfelt or humorous message, making it ideal as a sister birthday card or for everyday greeting cards. Each card comes with an eco friendly recycled kraft envelope, combining sustainability with style to create a memorable and responsible gift.

This funny greeting card offers:  
\- High-quality luxury cardstock card (350gsm) for durability and premium feel → ensures your message lasts  
\- FSC Certified paper milled in the UK → supports sustainable forestry  
\- Blank inside card → personalized messages for any occasion  
\- Recycled kraft envelope → eco friendly cards option that complements the design  
\- Unique colourful design card → stands out among typical sister birthday cards  
\- Part of Crumble and Core cards collection → trusted vendor known for quality and creativity

Crumble and Core cards are tested for print quality and color vibrancy to ensure each funny greeting card delights recipients. The combination of premium materials and eco friendly packaging makes this product a thoughtful choice for those looking to celebrate their sister with style and care. Whether you’re sending a quick note or a heartfelt message, this A6 greeting card fits perfectly in the category of everyday greeting cards while offering a unique twist on traditional sister birthday cards.

Choose this sister greeting card for a blend of humor, quality, and sustainability that reflects your appreciation in a truly special way. The recycled kraft envelope not only protects the card but also aligns with environmentally conscious values. This product delivers on both aesthetic appeal and ethical standards, making it an excellent gift option from Crumble and Core.

With its playful yet elegant design, this humorous cards option is suitable for all occasions—birthdays, thank you notes, or just because moments. The blank inside provides freedom to express your thoughts exactly how you want. Elevate your greetings with this luxury cardstock card that combines fun, function, and responsibility in one beautiful package.

## Details

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

## Variants

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

## Images

- You Can Kid the World - Sister A6 Greeting Card - Crumble and Core
- You Can Kid the World - Sister A6 Greeting Card - Crumble and Core
- You Can Kid the World - Sister A6 Greeting Card - Crumble and Core
- You Can Kid the World - Sister A6 Greeting Card - Crumble and Core

---

> Source: [Crumble and Core](www.crumbleandcore.com/products/sister-greeting-card)
> Updated: 2026-06-18