BAG SIZE: 47*32*15CM Nylon lining Zipper closure FLEXIBLE AND CONVENIENTOur ultra lightweight foldable backpack weight is similar with an egg,and the folding size is 20*16*3cm.Small foldable backpack is an ideal luggage bag for a plane.When it is not used,fold it into a compact pocket (sandwich size).It can be stored in anywhere of coat pockets,luggage,handbags,etc REASONABLE AND ORDERLYOur ultralight packable backpack capacity is at about 20L,and the pocket structure layout is reasonable and orderly.One main bag can accommodate sandwich lunch boxes and inner partitions to accommodate Ipad;One inner bag can store important small items such as passports;2 front bags can store small booklets such as travel guidelines;2 side bags can store water bottles and umbrellas HIGH-QUALITY MATERIALSOur light foldable backpack is water resistance(note:not completely waterproof).We use high-tear nylon fabrics and use the latest double-layer wear-resistant process to reinforce the backpack suture.After high-quality materials and light foldable hiking backpacks produced by good craftsmanship,it can effectively protect the items in the backpack.The zipper made of two-way SBS metal and high-quality resin materials greatly reduces the trouble of being stuck in the zipper THE LATEST DESIGNThe back of the ultra lightweight travel backpack packable we design perfectly fit the back of the human body,reducing the pressure of the shoulders to make the center of gravity more stable;The adjustable shoulder straps are used to adapt to different people.The new design brings a new sense of experience,comfortable,stylish and safe WIDE RANGE OF APPLICATIONSOur ultra lightweight small packable backpack has many backpacks and rich colors.It is suitable for the use of activities such as the elderly,adults,men,women,children,hiking,vacation,shopping,cycling,sports and other activities.I believe you will like our high-quality and portable lightweight small foldable backpack!