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What functions do you want the waterproof backpack to add?
Survey questionnaire: Functional requirements for waterproof backpacks

1. Have you ever owned or used a waterproof backpack?
   Is a waterproof backpack necessary for your daily or specific use?
2. What basic functions do you think an ideal waterproof backpack should have? Please list the three most important items in your opinion.
   What intelligent or advanced features would you most like to add when using a waterproof backpack?
3. Do you want the waterproof backpack to have the function of preventing damage to electronic devices? If so, please specify the protective measures you expect.
4. What special protective properties do you think waterproof backpacks need to have under different climate conditions?
   Sunscreen
   heat preservation
   Cold prevention
   dustproof
   Other (please specify):______________
   Which style do you prefer for the appearance design of waterproof backpacks?
   Classic minimalism
   Sports and leisure
   Other (please specify):______________
   How important is the size of a waterproof backpack to you?
   very important
   important
   commonly
   Not very important
   Not important
5. Please share your thoughts on the shortcomings of waterproof backpacks currently available on the market, and let us know your thoughts. We are a professional factory that produces waterproof backpacks. Email: tansisi521@gmail.com ）
   Thank you for participating in this survey! Your feedback will be very helpful for improving and developing higher quality waterproof backpacks

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