Custom Two-Tier Dog Snuffle Mat

I'm looking for a skilled artisan to create a two-tier dog snuffle mat primarily for entertainment. The mat should be made from fleece fabric and natural fibers, with the bottom tier measuring 600mm and the second tier at 400mm.

Key Requirements:
- Durable and pet-safe materials
- Engaging design to stimulate dogs
- Easy to clean and maintain

Deliverables:
- Actual dimensions (600mm base, 400mm second tier)
- Fabric and material selection
- Layer construction details
- Sewing positions
- Treat-hiding areas and openings
- Thickness and reinforcement specifications
- Individual component sizes
- Step-by-step assembly instructions
- Safety and durability considerations

Ideal Skills and Experience:
- Experience with pet products
- Proficiency in working with fleece and natural fibers
- Attention to detail in crafting engaging textures and patterns