【42PCS Two Sizes Reusable Vacuum Bags Kit】- Filament Storage Bags Set come with one Package Box, Vacuum Bags *14 (11.8x13.4inch for 1kg spool), Vacuum Bags *2(12.6x17.7inch for two 1kg spool), Automatic pumps*1, Sealing Clips*2, Humidity Indicator*15, Desiccant*8. One kit 42PCS in total, which can satisfy to storage 18 used filaments at the same time. | 【High Quality Material】- AMOLEN Filament Vacuum Bags made of Food-grade PE+PA Composite Material, BPA-free storage bag is safe, 0.09 mm Thickened Material, durable and recyclable; especially designed for 3D printer filament, also for food storage or others. | 【Moisture & Dust-proof】- The Filament Storage Vacuum Bags apply Double Seal Zipper and single side embossed design which are Moisture-proof and dust-proof to ensure the printing quality of consumables. Microporous design of vacuum bags which can fastly drain air within 30s to ensure sealing better than others. | 【Widely Compatibility with Two sizes Bags】- AMOLEN Filament Storage vacuum bags with two size are especially designed for 3D printing filament and is compatible for all 0.5KG/0.75KG/1KG filaments and 1.75mm/2.85mm/3mm filament.The big size bag satisfy to storage two 1 kg spool once. It can also used for food or other material storage. | 【Vacuum Bag & After-sales Service】- Vacuum packaging with desiccant to keep your filament dry and keep out dust, enable filament much smoother and more stable printing. We provide warranty and 100% after sale service. Defective vacuum bags can be reissued or refunded fully. We will reply within 24 hours ASAP.