Product reference number: 657535 LifeProof Fre Case iPhone X (Black Lime)
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. 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. 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.