MD Stay Fit set of 3 in 1 bags for travel, work and study

3-piece set, including a pencil case, a shoulder bag and a large laptop backpack. Compatible with laptop brands such as Dell/HP/Toshiba/Lenovo/Acer/MacBook Air/MacBook Pro/iPad/iPad Pro, also suitable for college students, business people, office staff, outdoor use and more. Specifications: Black and Gray 16.5 x 4.1 x 12.5 inches, fits 15.6 inch laptop. Simple, durable, waterproof multifunctional bag weighing 1.5 lbs. Features: It can be used as a backpack, shoulder or work bag, as you like. Very comfortable to use. Backpack Design: Backpack Style: Designed with a comfortable back strap for easy carrying on your back. Bag Style: One back pocket to hide the back straps when used as a shoulder bag.Messenger Bag Style: One back pocket to hide the back straps when used as a messenger bag. Waterproof Design: 1. Excellent Waterproof - Convenient to use and durable With the waterproof feature, you won't worry about it raining suddenly during your trip. 2. Protect your laptop, tablet, etc. Accessories pocket with internal pockets to hold other items such as charging cord, mouse, keys, passport, phones, etc. 3. Three front zipper pockets. Suitable for holding pens, power banks, phones, etc. 4. Safe to keep your items. Designed with two layers of strong shock-resistant padding to protect your laptop from shocks. 5. Durable luggage strap is convenient to attach the bag to your luggage.