1,ROLL PLASTIC BOX,STABLE,HARD,LIGHT ,WHEN TOUCH IT,YOU WILL FEEL THE PERFECTION POWER.2.SIZES CAN BE CUSTOMISED,NO MATTER 30L,40L,50L,YOU CAN GET AS LARGE AS YOU CAN3.WATER-PROOF,ANTI-BOUNCE,ANTI-BREAK,THIS IS A STRONG GUY,YOUR BEST PARTNER WHEN YOU NEED A CHACHE.4.PP DIRECTLY ROLL PLASTIC,ANTI-PRESSURE AND HARD FOR USAGE.5.INNER SIZE,YOU WILL SEE THE FOAM IN ORDER TO BREAK THE INNER GOODS WHEN DROP OR TRANSPORTATION LOGISTICS.YOU CAN CREATE DIFFRIENT FORM TO PROTECT YOUR GOODS6.THIS ITEM IS SPREADLY USED IN INDUSTRIAL FIELDS,OUTDOOR SURVEY FIRELDS,MEDICAL AID FIELDS,MEDIA OR PHOTOGRAPH FIELDS,SAFETY TRANSPORTATION FIELDS,PRECIOUSLY PROTECTIONG YOUR TREASURE.7.ELASTIC LOCK,EASILY FOR LOCK OR UNLOCK.WATER-PROOF,DUST-PROOF,DROP BOX,8.IT IS MADE OF PLASTIC,BUT TO BE HONEST,YOU WILL BE SURPRISED BY ITS STRONG POWER!9.COLOURS OR DESIGNS CAN BE CUSTOMISED,BUT MY FRIEND,IF YOUR QUANTIY IS AS SMALL AS A PEANUT,AS WILL MAKE ME DIFFICULT TO ACTION......10.WHAT ARE YOU WAITING FOR,OUR DEAREST FRIEND?ACTION PLEASE,CHOOSE YOUR BEST HAD PARTNER!