iPhone 15 Pro Max cases are made from various materials, including silicone, leather, plastic, metal, and hybrid materials. Each offers different levels of protection, aesthetics, and grip. Silicone cases are often lightweight and provide excellent shock absorption, while leather cases offer a premium look and feel. Metal cases offer robust protection but can add bulk to your device. It's essential to consider your preferences in terms of both protection and style when choosing the material for your iPhone 15 Pro Max case.