Here's a well-structured and engaging product description for your picnic cake boxes:

**Picnic Cake Boxes - Fun & Stylish Paper Craft Packaging**  
*(350gsm Kraft Paper - DIY Assembly)*  

Description:
Add charm to your treats with these adorable Picnic-Themed Cake Boxes! Perfect for cupcakes, cookies, or small gifts, these craft boxes combine playful style with eco-friendly packaging. 

Key Features: 
✔ Premium 350gsm Paper - Sturdy yet lightweight (not waterproof)  
✔ 5 Chic Colors: Brown, White, Red, Black, Marble  
✔ 3 Practical Sizes:  
- Small: 12x8x6cm (petite treats)  
- Medium: 16.2x9x8.2cm (standard cupcakes)  
- Large: 19x15x8cm (multi-piece sets)  
✔ Fun DIY Assembly - Enjoy putting them together!  

Important Notes: 
⚠ Minimum 5-Piece Order Recommended  
(Thin material requires bulk packaging for safe delivery)  
⚠ Ships Flat - Requires Assembly  
⚠ Not Waterproof (best for dry foods/gifts)  

Perfect For: 
• Birthday parties & picnics  
• Bakery packaging  
• Wedding favors  
• Crafters & small businesses  

Packaging:  
1pc (but we strongly suggest ordering 5+ for intact delivery)