Check the listing for details. FENGDONG Durable Waterproof Travel Large Laptop Backpack 17.3 Purple -NEW. Color: Purple, Condition: New. Listed at 29.95 USD. This durable and waterproof backpack from FENGDONG is the perfect accessory for any laptop owner on the go. With a spacious interior that can hold a 17.3 inch laptop and other essentials, this backpack is designed to provide both convenience and style. The solid purple color and sleek pattern make it a versatile accessory that can be paired with any outfit. The backpack is compatible with a range of laptops and has a standing screen display size of 17.3 inches, making it an ideal choice for those who need to carry their laptop around. Whether you're commuting to work, traveling for business, or just need a reliable backpack for your daily essentials, this FENGDONG backpack is the perfect choice.