Features:<br> 3D printer dilament storage kit allows you to protect your filaments from moisture, dust, insects-, mold, odor, etc.it will be in the best condition- to print.<br> It is much easier to draw the air out of the vacuum bags with hand pump, easy to operate.<br> With dry and wet dual-purpose, dust and moisture-proof. Effectively prevent consumables from oxidation and moisture-proof under vacuum environment.Made of high quality multi-layer composite materials, recyclable and durable.<br> SPU:Vacuum bag is a great way to solve this problem by keeping the filaments in vacuum storage when you're not using it. And can be reused many times.<br> The "bite in" clip chain can lock the pocket firmly with one pinch.<br> <br> Specifications:<br> Item Type: Filament Storage Bag/Hand Pump<br> Bag Size: approx 34X30cm/13.38X11.18in<br> Pump Size:approx 140x30mm/5.51x1.18in<br> Material:Plastic<br> Applicable Scene: 3D Printer<br> Package Type: 1 Hand Pump with 20 Vacuum Bags/ 1 Hand Pump with 10 Vacuum Bags/ 1 Hand Pump with 5 Vacuum Bags/ 1 Hand Pump with 1Vacuum Bag<br> <br> Note:<br> Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.<br> Please allow 0-1cm error due to the manual measurment.<br> <br> Package includes:<br> 1 Set Filament Storage Bag with Hand Pump