When you are not using consumables, it keeps them in a vacuum. And it can be reused many times Built-in buckle The buckle easily fastens the sealing strip, saving time and effort Sealed exhaust hole No cover or tape is required to achieve a sealing effect microporous film Uniform embossed exhaust channel for more thorough exhaust Writable label Intimate bag body record, easy to remember<br><br>Product name:Vacuum sealing bag Category:Accessories Applicable:Applicable to 3D printing consumables Type:A:Air Pump Colour:As Shown Material:PLA ABS<br><br>Package Contents: 10 * Bags 1 * Air Pump 2 * Buckles<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.