The design of the backpack is fashionable and simple, with high-grade TPU waterproof fabric, high frequency seamless welding technology, roll cover closed bag mouth, and reflective strip design on the shoulder strap.The roll top waterproof backpacks is light on the whole, and there is no obvious sense of weight on the body when carrying it on daily trips. The back is very close to the body.The main inner bag of the backpack has a large capacity, which can be used to place the clothes for the trip in the middle, the necessary water bottle and umbrella can be placed on both sides, and some snacks can also be put on the top.The bag is also designed with corresponding inter layer for pens, bank cards, mobile phones, laptops and other objects.Once the backpack is put on the shoulder, adjust the length of the shoulder strap. The backpack and the back closely fit without shaking. The wide shoulder strap reduces the weight of the backpack.Even if walk a lot of distance, people will not feel the stuffy feeling on the back, which is more comfortable and breathable than other ordinary backpacks.Reflective strip design on the shoulder strap ensures safe travel at night.It is very suitable for people who travel for business or leisure.Enjoy it, and enjoy being apart from time and space.