Jetec 70 Pcs 3D Filament Storage Bags Vacuum Sealed Kit, Include Reusable 3D Printer Filament Vacuum Storage Bags 13.4 x 11.8 Inch and Cobalt Free Humidity Indicator Cards for Keeping Files Dry

Features: 3D printer clear filament storage adopts zipper design, easy to open and close, prevent the filaments from falling and keep them dry. Transparent filament storage allows you to easily check the status of the inner storage without opening the bag, which is convenient and fast. Specifications: Material: PE and PA Color: as picture shown Size of bag: about 11.8 x 13.4 inch/ 30 x 34 cm Package includes: 50 X 3D filament bags 20 x Humidity indicator card Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.

• Reusable 3D Filament Storage Kit: you will get 50 pieces of 3D filament vacuum storage bags and 20 pieces of humidity indicators, a total of 70 pieces, sufficient quantity can meet your daily use and replacement; Keep your filament away from dust and air to improve printing stability and smoothness
• Material and Size: filament storage is made of PE and PA composite material, safe and lightweight, sturdy and reusable; Its size is about 11.8 x 13.4 inch/ 30 x 34 cm, and the thickness measures about 0.09 mm, specially designed for 3D printer filament, also for food storage or others
• Moisture and Dust Proof: the filament vacuum bag adopts double sealed zipper and single sided embossed design, which is moisture proof and dust proof to ensure the printing quality of the consumables; The micro porous design allows the bag to quickly empty the air within 30 seconds to achieve good airtightness
• 6 Spots Humidity Indicator Card: the humidity indicator card starts out light brown ( dry) and then turns light green ( wet), making it easy to read; When you first open the card, all the dots may react and change color as they are suddenly exposed to humidity; Wait about 30 minutes and the card will calibrate and allow you to read the exact humidity level, clearly visible from 10% to 60% RH
• Easy to See: reusable vacuum seal bags have a clear appearance, and can be applied with a humidity indicator card, allowing you to quickly check the humidity level of the filament without opening the bag; In addition, the humidity indicator card can be reapplied many times after drying with an oven or a hair dryer