- Professional Travel Vacuum Bags: Constructed from durable 210D thickened polyester TPU composite material, these vacuum bags are ultra-lightweight and soft, providing excellent durability and resistance to wear. They effectively organize various items and can compress luggage space by up to three times, making packing more efficient. - IP67 Airtight Zipper: Equipped with a high-quality IP67 airtight zipper, these bags ensure superior water resistance and air tightness. This reliable seal, commonly used in diving suits, effectively prevents moisture and water vapor from entering, keeping your belongings safe. - Easy Vacuum Compression: These space-saving bags feature outstanding vacuum compression capabilities. Easily remove air by rolling the bag or using a pump (pump not included) for optimal space utilization. - Privacy & Security: The deep black exterior provides excellent privacy protection, ideal for public settings, such as retrieving clothing or during TSA inspections, helping you avoid any embarrassing moments. With dimensions of 382815cm, the bags are spacious enough to hold more clothing and fit seamlessly into suitcases or backpacks over 30L. Use Scenarios: 1. Perfect for travel—maximize your suitcase space and keep your clothes organized during trips. 2. Ideal for seasonal storage—compress and store clothes, blankets, or other items to save closet space. 3. Great for outdoor adventures—pack efficiently in backpacks, ensuring you have more room for gear without sacrificing organization.