Feature:
A/B:
The interior has shock-absorbing rubber sponge pad, suitable for loading small, miniature electronic devices. 
It can well protect the internal equipment from being cut by rocks;
Waterproof, shockproof, and dustproof;

C:
A waterproof box that can be competent in any environment in all weathers; easy to carry in outdoor activities;
Impact resistant ABS engineering plastics and stainless steel and other accessories, a buffer rubber mat which can be easily installed and unloaded; solid and opaque design effectively prevents light penetration;
Specially designed for the protection of precision equipment, instruments or other objects, effective waterproof, not affected by external dust or moisture, professional waterproof box;

Specification:
Material: ABS plastic

A(Small)
Outer Size: 170x110x48mm/6.7x4.3x1.9"
Internal Dize: 150x80x40mm/5.9x3.2x1.6"
Internal Depth: 22mm/0.7"

B(Large):
Outer Size: 190x120x52mm/7.48x4.72x2.05"
Internal Dize: 160x90x44mm/6.3x3.5x1.7"
Internal Depth: 24mm/0.79"

C(professional):
Outer Size: 200x98x82mm/
Internal Dize: 170x70x75mm/6.7x2.8x3

Package Included:
1x Portable Outdoor Tool Dry Box

Note:
Please allow 1-3cm difference due to manual measurement.
Due to light and screen difference, the item's color may be slightly different from the pictures.