• The set contains 20 vacuum sealing bags of 20 x 30 cm and 4 sealing clips • They allow you to preserve solid and semi-solid foods such as nuts, cookies, fruits, and vegetables • They can also be used to store pet treats, small items, or magazines • The airtight seal keeps food fresh and prevents spoilage, oxidation, and degradation • Prolongs food freshness by 3 to 5 times, preserving flavor and color • Double zipper that improves air tightness and isolates special odors • Made with PA and PE materials, BPA-free and reusable • Easy to use: the green valve allows direct use of the pump for vacuum sealing, with no additional operations needed