SMELL PROOFThe-smell proof-bag with Twice amount of activated carbon fiber inside, 100% smell proof. Lockable The smell proof backpacks built In TSA lock and Key Double zipperMain compartment with two zipper inside and one outer,double protection Padded Pockettwo inside padded pocket , one for laptop or tray, one for glass Jar. Water resistant fabricExterial fabric is water resistant camouflage nylon Foil Pocketthere are a small foil zipper pocket inside