Waterproof backpack cover to keep luggage dry from rain. Waterproof case for a backpack with a volume of 30 - 40 liters. Protector to protect hand luggage from getting wet. Protective cover for carry-on travel bag anti-pollution. Using a protective backpack cover protects clothes from getting wet and heavily wetted in rain and snow. Installing a waterproof cover will protect the equipment in the backpack from damage in adverse weather conditions. Protector for easy fitting of 40/30/20 carry-on bags. Protective case for travel bags in sizes 40/20/25 and 55/40/20;