Yoshida Interactive Daypack [Porter] & Co. (1. Black)

Color / Black Material / Outer: Polyester Oxford (Surface: Water-repellent finish) (Back: TPU coating) Inner: Nylon Oxford (Surface: Teflon fabric protector finish) (Back: Urethane coating) Dimensions: W28.5 x H42 x D11 cm Country of origin / Made in Japan Specifications / A lightweight, water-repellent, single-compartment business backpack. The main compartment has a double zipper closure and is B4 file sized. Inside, there are two open pockets, one PC storage pocket, and two mesh pockets that can hold a folding umbrella or water bottle. On the surface of the main body, there is one B5 size zippered pocket (with two open pockets, one pen holder, and one key ring inside) and one A5 size zippered pocket. It also has a trolley handle pass-through function. The main body weighs approximately 880g and has a reinforced bottom. This basic chemical business series is lightweight, water-repellent, and features enhanced functionality for daily use, making it suitable for a wide range of ages. The main fabric is 600 denier polyester oxford with a TPU coating on the back. TPU (thermoplastic polyurethane) is lighter and more durable than PVC, and is also environmentally friendly, making it a popular coating among outdoor brands. The zipper is a high-strength YKK Vislon type called METALUXE Tough, which prioritizes lightness and ease of operation while looking like a metal zipper. Glass fiber is kneaded into the resin of the elements, achieving 165% higher strength than a regular Vislon zipper and 56% lighter than a metal zipper. The lining is made of 420 denier nylon oxford with a Teflon fabric protector coating on the surface for increased durability. Taking advantage of its dirt-resistant properties, a gray color is used to improve visibility of the contents of the bag. It has a pocket suitable for storing a PC or tablet and is equipped with a trolley bar pass-through function.