Anti-sprinkling function refers to that the laptop bag can effectively prevent rain, moisture and other damage to the laptop during travel and business trips; Instead of being able to soak in water for several hours as the manufacturer boasted, the notebook can be undamaged! Please note: even if the main fabric is waterproof, the zipper part is not waterproof; Even though some manufacturers use waterproof zippers, the sewing pinholes of zippers still cannot prevent water from entering.