Vacuum Kit, Pack of 20, 30 x 34 cm, 3D Printer Filament, Compression with Manual Air Pump, Reusable Bags, Transparent Bags for Moisture-Proof

Durable material: vacuum bag is made of PA + PE, a food-safe plastic, durable and can be reused and resealable several times. Vacuum kit is designed with double sealing zip and high-performance valve for easy pumping and sealed protection. And the sealing ring is made of a softer silicone material, which can better connect to the valve area when vacuuming. Box contents: 20 x vacuum bags, 1 x hand pump, sealing clip, paint drying agent. Size:30*34cm(11.81*13.39inch), fits most 1kg spools. Vacuum kit can not only store 3D printer filaments, but also store sweets, coffee beans, dried flowers, baked goods, dried fruits, biscuits, tea, nuts, etc. Easy to use: vacuum kit allows you to use it easily, and you can put your filament in the bag, lock the zip seal with a sliding clip, hold the outlet opening on a flat platform, release the air with the pump. Press the tape to ensure no air leaks. Good moisture sealing effect: the durable 3D printer filament vacuum compression can quickly displace the air within 30 seconds to protect the 3D printer filament from moisture, effectively waterproof, moisture-proof and dustproof. The vacuum bag has an eavfficient valve and double sealing zip provide airtight protection. Hand pump: the vacuum kit can be connected to a hand pump to ensure the seal. Vacuum bag can provide you with faster speed and more power. The colour changing desiccant makes it easier to monitor the moisture of your 3D printer supplies. (Note: do not remove the blue sticker, please put the suction pump directly on the tape)