Vacuum storage kits package list: SUNLU 3D printer filament vacuum storage kits including vacuum bags x 8, hand pump x 1, sealing clips x 8, drying agent x 8. SUNLU filament vacuum bag size: 32 x 34 cm (12.59 x 13.38 inches). It can accommodate 0.5 kg/0.75 kg/1 kg 3D printing filaments and 1.75 mm/2.85 mm/3 mm 3D printer filaments. Good moisture sealing effect: the durable SUNLU 3D printer filament vacuum bags can quickly displace the air within 30 seconds to protect the 3D printer filament from moisture, effectively waterproof, moisture-proof and dustproof. The filament vacuum storage bag has heavy duty dust-proof valve and double sealing zip provide airtight protection. Quality material: SUNLU 3D printer filament vacuum storage bags made of food-safe PA + PE material, thickened design, robust and durable to prevent breakage and air leakage, reusable. Transparent vacuum bag is easy to find and observe the status of the filaments. Easy to use: Place 3D printer filaments and desiccant in the vacuum bag. ②Seal vacuum bags with the sealing clip. ③Use a hand pump to remove excess air. ④Cover with sealed openings to prevent air leaks. High compatibility: SUNLU 3D printer filament storage bag is specially designed for 3D printing filament, compatible with all 0.5 kg/0.75 kg/1 kg 3D printer filaments and other 1.75 mm/2.85 mm/3 mm 3D printing filaments.