Thermos & Cup Suitcase Design

I'm looking for a custom suitcase designed to hold a thermos and two cups. The suitcase should be durable and functional, with a preference for polycarbonate, although I'm open to other materials. Key requirements: - Size: Small (fits one thermos and two cups) - Material: Preferably polycarbonate, but open to alternatives - Detailed project proposal Ideal skills and experience: - Experience in designing and constructing durable cases or luggage - Knowledge of different materials and their properties - Ability to create detailed and functional design proposals Please include a detailed project proposal in your application.