Lightweight ： This lightweight backpack is made of soft pu leather. Only 1.4lb/635g, and basic use will be very comfortable. Durable： The zippers of WINGACE\'s small backpacks all use durable and smooth zippers, and the top handle is made of same PU leather. Converting Satchel handbag is also durable . Design： The button decoration makes the Daypack look more dynamic (the button is design decoration ). Young people and girls are more energetic with the Daypack, ladies and women use the Daypack to be more fashionable. Easy to clean: If you plan to go on vacation by the sea, If it gets wet, just wipe it with a paper towel.It can be waterproof. US：If you have any quality problems or have any suggestions for our backpacks, please feel free to tell the WINGACE team. We are always ready to help you!