Dad evaluates which schoolbag is better.
Backed schoolbag According to Netease YEATION's query, the design of the backpack's shoulder straps, back sponge and other backs can make the pressure of the schoolbag spread to the back, and the schoolbag with back sponge will be more breathable and cooler when carried in summer, so this schoolbag evaluated by dad is better. The back-protecting and burden-reducing schoolbag is a professional back-protecting and burden-reducing schoolbag designed by chiropractors, experts and professional ergonomic design team.