Single-shoulder bags are loved by both men and women nowadays. In terms of materials, leather is exquisite and durable, canvas is casual and lightweight, and nylon is waterproof and practical. According to styles, there are styles like simple and versatile, retro charm, and individualistic and fashionable. The structural design of these bags is related to practicality, durability and comfort, and the functions are practical without being flashy. They are useful in scenarios such as commuting, shopping and traveling, and can also enhance the outfit. They are practical and fashionable items.