Sure 👍 Here is a detailed and sales-oriented product description for the Drawstring Waterproof Backpack:
 🎒 Drawstring Waterproof Backpack
 Highlights:
 • 📏 Dimensions: 35x40 cm
 • 💧 Waterproof Fabric: Protects your items in rain and daily use.
 • 🖤 Black Cotton Collar: Provides durable, stylish and comfortable carrying.
 • 🎨 Printing Area: Opportunity to customize by printing your own logo or image in 14x15 cm dimensions.
 • ✅ Fabric with Non-Carcinogenic Test Certificate: Healthy and safe use.
 Areas of Use:
 • 🏫 School and course bags
 • 🏋 Gyms and sports schools
 • 🎶 Event, festival and promotional product
 • 🛍 Daily shopping or daily use
 Advantages:
 • Light, practical and easy to carry.
 • Ideal for books, sports equipment or personal items thanks to its large internal volume.
 • Increases your brand awareness for promotions and corporate distribution.
 • Design suitable for both adults and children.
 📦 Order Information:
 Special price advantage is offered for bulk purchases.
 You can order with or without logo printing.
 If you'd like, I can also adapt this product description to fit your e-commerce website (category & product page) format (e.g., title, short description, long description, technical specifications table). Would you like me to prepare that as well?