Rugged Polycarbonate Phone Case Design

I'm looking for a professional to design a rugged phone case for me. The case should be made of durable polycarbonate material, known for its strength and impact resistance.

Ideal Skills and Experience:
- Proficiency in product design and CAD software
- Experience designing polycarbonate cases
- Understanding of rugged case specifications
- Knowledge of mobile device dimensions and requirements
- Strong portfolio of prior phone case designs

Please provide a detailed proposal, showcasing your previous work with rugged designs and polycarbonate material.