The type 6800 case provides a large amount of storage space and is equipped with robust smooth running wheels and a telescopic handle for ease of movement in addition its 3 strong handles make transportation easier the case shell is made of polypropylene pp certified with the stanag 4280 def stan 81 41 and ata 300 standards and it has an automatic air pressure compensation valve it is strong dustproof waterproof ip67 certified and temperature resistant from 30c up to 80c the