Using this Cort CPAG100 gig bag is easy. First, unzip the bag and gently place your Cort acoustic guitar inside, making sure it fits well in the padded interior. The thick sponge lining will protect your guitar from bumps and scratches during transportation. When packing, you can use the external pocket to store items like picks, strings, or a small tuner. As for maintenance, keep the bag clean by wiping it with a dry cloth regularly. Avoid exposing it to extreme temperatures or moisture, as this could damage the sponge lining and the exterior of the bag. If it gets dirty, you can spot - clean it with a mild detergent and water, but make sure to let it dry thoroughly before using it again.