Features: Make transparently vacuum sealing bag, effective moisture-proof, dust-proof, protect 3D printing consumables. Can be used to store 3D printing materials such as ABS to extend their preservation time. With pumping and compression function, saving storage space and convenient for storage. Can be used repeatedly, environmentally friendly and economical. Vacuum-sealed design effectively isolates air and moisture to maintain the quality of printing materials. Multiple specification size are available to meet different user needs, suitable for various specifications of 3D printing supplies. Specifications: Sealing Bag Size：about 300x340mm/11.8x1.4in Component：ABS For 3D Printing Filaments Package: A/B/C Package Includes: 1Set Reusable Vacuum Storage Bags Set note: Due to problem of light effects,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurements