This vacuum seal backpack is crafted from high-density Oxford fabric, making it water-resistant and scratch-resistant. It features high-quality SBS zippers that ensure durability and smooth operation. The backpack is designed with an ergonomic airflow system at the back, complete with thick, soft, and ventilated padding to alleviate stress on your shoulders and neck, ensuring a more comfortable and relaxing trip. Package Contents: -1pcs x Vacuum Backpack -1pcs x Vacuum electric pump Specifications: Material: Oxford Cloth Size: 21”/54cm x 13”/34cm x 6”/15cm Color: Black