An all-in-life minimalist backpack that heats up. 2way sacoche built-in! A backpack that generates heat. Built-in hot wire sheet on the back, auxiliary function on cold days. The exterior is a functional backpack with a minimalist finish. The inside is full of features! Convenient 2-way sacoche is also built-in. It can also be used by moms and dads who are in business, travel, and raising children every day. ALL IN LIFE BACKPACK. Items necessary for daily use can fit almost in this main room. Since it is a large space, it is convenient to divide frequently used items into small pouches for easy access. The multi-mesh panel is removable. If you attach the attached strap, you can also use it as a wall pocket. The back compartment can hold a PC charger, a smartphone charger, a mouse, a stylus, and a laptop (14in). In addition, the PC sleeve pocket has a thick polyurethane cushioning material built into it, so it protects your precious computer from shocks. The neoprene zipper pocket cushions the impact, so it is recommended for inserting items that are vulnerable to scratches and impacts. The PC sleeve pocket also has a rain cover with a safe Teflon water-repellent finish. Since the front room (buckle & vertical zipper) can be accessed without leaving → main room, it is convenient to put a change of clothes, towels, blankets, hats, etc. Since there is no need to open the main room, there is a security effect such as crime prevention and loss. In addition, it has a separate room structure that is nice for parents raising children, so you can store your child's change of clothes, diapers, etc. separately from drinks and food. It is also convenient to use it separately for parents and children's luggage.　→ main room (central W zipper) can mainly be used to store valuables and frequently used items. It has the widest capacity, so you can store your main items here. In addition, the biggest feature of this product, 2-way sacoche, is equipped as a hanging pocket. If you remove it and attach the attached strap, you can use it as a sacoche immediately. Even if the hanging pocket is removed, there is a zipper pocket in the same place, so there is no need to worry about the function being impaired. There is also a 20cm long wallet in the main pocket. In addition, the zipper pocket is convenient for storing small items. Long wallets, tissues, frisk, and charging cords are easy to enter. (The attached strap is adjustable in length.) There is also an open pocket in the zipper mesh pocket on the back, so you can store things you don't want to show, and the mesh pocket is easy to see, so it's easy to use and convenient to put your smartphone in it. The snap belt can be fastened by wrapping the attached strap when not in use as a sacoche. You can also attach a carabiner. The multi-mesh panel is also removable, so you can attach the included strap and use it as a wall pocket when traveling.