simple and creative solid color lapbag

the main characteristics of a backpack are easy to carry, hands lightweight, and wear-resistant, providing convenience for going out. it must have excellent fixation and seismic resistance, and it would be great to have a compact storage bag inside. secondly, it is necessary to observe whether cushioning materials are used at the edges and corners of the backpack, which can provide some protection for the inside of the backpack. its comfort is very important, and many backpacks on the market choose to add padding at the shoulder strap position or widen the shoulder strap to enhance the comfort of the backpack. the back is made of breathable and heat dissipating materials, which will not be particularly stuffy when used.syi