CARRY ON BAG : The size of the small travel bag is 18*9*9 inches, which complies with the airline's carry-on baggage standards and can be taken on the plane and placed under the seat HIGH QUALITY:This is a very functional and versatile gym bag, made of high quality 600D water & tear resistant polyester material, lightweight but well made. Durable and sturdy，not easy to tear when full EASY TO UES:The sport duffel bag has a detachable shoulder strap. The length of the shoulder strap can be adjusted freely, and can be carried on one shoulder or crossbody by adjusting different lengths. There are two hand straps on the top for easy carrying WELL STRUCTURED: This overnight bag is very well constructed and sturdy, it can keep its shape even when it is empty LOCKABLE ZIPPER: The weekend bag uses a double-ended zipper, and the middle of the zipper can be locked with a lock to prevent items from accidentally falling and protect the safety of items.The smooth metal zipper is strong and durable Apenze Small Gym Bag 18 inch Carry On Duffel Bag for Weekender Travel