Appearance style: [2-in-1 anti-fall model] Material: silicone inner shell + PC hard shell Appearance style: [Half bag style] Material: PC hard shell Appearance style: [Half bag with magnetic suction] Built-in magsafe magnetic suction, strong magnetic suction. Material: PC hard shell Product advantages: No yellowing or blackening, easy to clean. Handheld grip: fine matte, skin-friendly and comfortable feel. Anti-stains. Anti-fingerprints