Product Details 1. Type A & B: Shock-Absorbing Protection for Small Electronics Equipped with internal shock-absorbing pads, ideal for loading small and miniature electronic devices. Protects internal equipment from being cut by rocks in outdoor environments. Features waterproof, shockproof, and dustproof design for reliable device safety. 2. Type C: All-Weather Professional Waterproof Case Engineered for outdoor activities, this waterproof case performs in any weather conditions. Made of impact-resistant ABS material with an opaque design to prevent light penetration. Effectively waterproof and dustproof, protecting precision equipment, instruments, or objects from external dust or moisture. 3. Durable & Secure Construction Solid opaque design with impact-resistant ABS and sponge accessories ensures long-lasting use. Keeps internal items safe from light exposure and external elements, maintaining their integrity. Specifications 1. Material: Impact-resistant ABS and Sponge 2. Colour: Black 3. Size & Weight (Options: A/ B/ C) - Type A: Outside Size: 17011048mm (6.74.31.9 in); Inside Size: 1508040mm (5.93.11.6 in); Weight: 149g; Box Depth: 18mm (0.7 in); Body Depth: 22mm (0.9 in) - Type B: Outside Size: 19012052mm (7.54.72.0 in); Inside Size: 1609044mm (6.33.51.7 in); Weight: 187g; Box Depth: 20mm (0.8 in); Body Depth: 24mm (0.9 in) - Type C: Outside Size: 2009882mm (7.93.93.2 in); Inside Size: 1707075mm (6.72.83.0 in); Weight: 386g Packing List 1. 1 Storage Case (A, B, or C) (Other items in the picture are photography props and not included in the package.) Warm Tips 1. Ensure the storage case is fully closed to maintain waterproof and dustproof performance. 2. For Type C, utilize the large internal size to organize equipment during outdoor activities. 3. Store unused cases in a dry, cool area to preserve the sponge's shock-absorbing properties.