EVERY CASE WATER TESTED All cases are factory water tested. Then random units undergo additional inspection, including a 2nd water test. Cases that pass are shipped. Cases that fail are scrapped. You can be certain your new LifeProof case is leak free. We made sure of it! 

MILITARY STANDARD The U.S. Military Standard for drop and shock protection. It requires that your LifeProof case physically withstand the drops, fumbles, vibrations and bumps you encounter day to day. Your new LifeProof case prevents the number-one cause of device damage. 

IP-68 INGRESS PROTECTION The international standard for Ingress Protection (IP). 6 and 8 are the highest ratings for solids and liquids. IP-68 rated cases withstand circulating talc for 8 hours and water immersion to 6.6 ft / 2m for 1 hr. No doubt about it. Your new LifeProof case keeps water, dirt, dust and snow out.