1. The vacuum bag adopts double seal design, single-sided embossing treatment, good sealing performance, can achieve the best moisture-proof effect, and saves time and effort when pumping air
2. The vacuum bag is made of BPA-FREE and FDA-certified food-grade PE+PA composite material, strong and durable, recyclable, safe and environmentally friendly
3. The vacuum bag is specially designed for 3D printing filament,?which can be adapted to 0.5KG/0.75KG/1KG package of 1.75mm/2.85mm/3mm filaments
4. The humidity card has high sensitivity and can be used repeatedly, so you can know the dry and humidity of filaments at any time