The reliability of the estimation is good.
Includes 4 different sizes bags. 12,7 x 10,2 cm , 11,4 x 17,8 cm, 17,2 x 15,2 cm ja 22,9 x 15,2 cm
- Certified waterproof to 60 meters / 200 feet
- Tested and approved by the Navy Experimental Diving Unit
- Safe - Constructed using medical-grade film that is FDA approved.
- Temperature rated -40F to 140F
- Ecologically smart. Highly reusable and 100% made of recyclable Polyethylene.