MULTIFUNCTIONAL 3-PIECE DESIGN: This set includes three essential school supplies: a backpack, a satchel, and a pencil pouch, which meets the multiple needs of primary and secondary school students in their daily study and travelling, allowing them to carry all the essentials with ease.Air-cushioned straps for comfort and load reduction: the backpack is equipped with air-cushioned straps to increase comfort and support, effectively reduce the burden on the shoulders, especially suitable for long hours of carrying, and protect children's spinal health.Breathable and Waterproof, Wear-resistant and Durable: Breathable and waterproof fabric is used to keep the internal items dry, and at the same time, it has wear-resistant characteristics to ensure that the school bag can withstand the test of time in daily use.