Description:1. The interior has shock absorption rubber sponge, suitable for charging small miniature electronic devices.2. It can protect the internal equipment from rock cutting;3. Waterproof, shockproof and dustproof.4. Waterproof case that can be suitable for any environment in all weather conditions; Easy to carry to outdoor activities.5. Specially designed to protect equipment, instruments or other precision items, waterproof, not affected by external dust or moisture, professional waterproof case. Specification:Material: ABS plastic Color: As the picture shownSize: S, M, L Outer Dimensions: 11.7*6.2*4.3cm(W)/16*9*4cm(M)/18*9*5cm(L)Weight: Approx: 170g /240g /300gPackage Included:1*Waterproof Protective CaseNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.