18in

SUNOGE Business Backpack Large Capacity Waterproof 3way Anti-Theft PC Shockproof. Stowable size: A4 size stowable; up to 15.6 inch laptop computer. Strap type: 3way [Large capacity] Size: 48 * 32 * 17cm (before expansion: 22L) / 48 * 32 * 29cm (after expansion: 37L); can be carried on board. 15.6 inch laptop, A4 size documents and 3 to 5 days of clothing are available. Also equipped with carry-on function essential for business trips and travel [Excellent waterproofing performance] The surface is made of durable high-density Oxford waterproof fabric, which prevents rain from penetrating into the bag and keeps water drops and dirt away from rain. Additional wet / wet separation pockets make it easy to separate wet and dry clothing [Multi-function, safety UP] External USB port and anti-theft hidden pocket equipment. If you connect it to the mobile battery in the backpack, you can charge your smartphone while carrying it. The attached cable is detachable and safe when washing [Code Ergonomics] Equipped with gusset extension function, can be used according to the luggage. The bag adopts a chest belt and shoulder straps of S shape scientific load. Effectively distributes the burden on the shoulders and back, reduces pressure when carrying, and prevents shoulder slippage - [3WAY Business Bag]: reliable 12 months quality guarantee] Popular bag appearance that combines amazing storage capacity and convenience of use! 3WAY specifications (backpack, side-arm, vertical-arm type) can be used according to various scenes such as commuting, business trip, school trip.

SUNOGE Business Backpack Large Capacity Waterproof 3way Anti-Theft PC Shockproof. Stowable size: A4 size stowable; up to 15.6 inch laptop computer. Strap type: 3way [Large capacity] Size: 48 * 32 * 17cm (before expansion: 22L) / 48 * 32 * 29cm (after expansion: 37L); can be carried on board. 15.6 inch laptop, A4 size documents and 3 to 5 days of clothing are available. Also equipped with carry-on function essential for business trips and travel [Excellent waterproofing performance] The surface is made of durable high-density Oxford waterproof fabric, which prevents rain from penetrating into the bag and keeps water drops and dirt away from rain. Additional wet / wet separation pockets make it easy to separate wet and dry clothing [Multi-function, safety UP] External USB port and anti-theft hidden pocket equipment. If you connect it to the mobile battery in the backpack, you can charge your smartphone while carrying it. The attached cable is detachable and safe when washing [Code Ergonomics] Equipped with gusset extension function, can be used according to the luggage. The bag adopts a chest belt and shoulder straps of S shape scientific load. Effectively distributes the burden on the shoulders and back, reduces pressure when carrying, and prevents shoulder slippage - [3WAY Business Bag]: reliable 12 months quality guarantee] Popular bag appearance that combines amazing storage capacity and convenience of use! 3WAY specifications (backpack, side-arm, vertical-arm type) can be used according to various scenes such as commuting, business trip, school trip.