Pelican Type Airline Carrying On hard case with Retractable Handle and Rollers - Gray; Excess Inventory from a company so comes with a silk printed logo on top of case (see first picture). · The case is injection molded by modified PPalloy, strong and pressure-resistant, low temperature resistant to -40°C, andcan be used for a long time in the environment of -20°C ~ 60°C · Design impact resistance class IK08,anti-collision, no deformation, no fragmentation · There is an automatic exhaust valve with asealing ring at the front of the box, which is made of water-permeablenon-woven fabric, which can automatically adjust the pressure differencebetween the inside and outside of the box while being waterproof, and is easyto open and close the box · The anti-aging O-ring is easy to replace,ensuring that the sealing ring is permanently in a good elastic state, and hassuper airtightness for a long time · Silent spring lock, easy to operate with onehand, can prevent the box from opening when it is dropped · The hinges of the box are all made ofstainless steel shafts, which are strong and durable · The upper cover is equipped with egg pitsponge as standard, and the bottom box is equipped with cut sponge for enhancedprotection and easy use · Pull rod: The pull rod is made ofhigh-strength aluminum alloy structure, with a positioning and lockingstructure, and can be operated with one hand. There are 2 widened nylonand polyurethane rollers at the bottom, supported by stainless steel bearings,with super high load-bearing capacity. · Widely used in various fields such asinstruments, meters, military police, fire protection, electronics, electricpower, communications, aviation, chemical industry, nuclear power, exploration,scientific research, medical treatment, transportation, photography, etc.