My iphone 4s with boomper type of protection is perfectly maintained between 2 foams and 2 latches down additional hold. He never falls. and easily unlocks when you want it back. 2 media types to put in the ventilation grid are practical; I personally have used those spring for my Touran Remains to be seen over time if all that resists but I am confident. Perfect delivery, the parcel was in good condition as