The bw international type 4000 is an ideal case for the novice photographer that has plenty of storage for a camera extra lenses and accessories the case shell is made of polypropylene pp certified with the stanag 4280 def stan 81 41 and ata 300 standards and it features an automatic air pressure compensation valve it is strong dustproof waterproof ip67 certified and temperature resistant from 30c up to 80c the case handle is rubberised cases are stackable and there are two