Perfect Compatibility: These vacuum bags are designed specifically for Kenmore canister vacuum models Type C/Q 5055, 50555, 50557, 50558 and Panasonic Type C-5, C-18. Please verify your vacuum model before purchase to ensure proper fitment|High-Efficiency Filtration: Featuring a dual-layer construction with premium outer paper and inner microfiltration material, these bags adsorb dust particles as small as 0.03 microns,while maintaining optimal airflow|Secure Sealing System: The collar creates an airtight barrier that locks in dust during use and prevents leakage when replacing bags, keeping your cleaning area clean and tidy|Large Capacity Design: With a generous 221-ounce capacity. We recommend replacement when 2/3 full to maintain peak vacuum performance and prevent bag rupture|Easy Installation: Simply press the cardboard tab to remove used bags and insert new ones - no tools required. Each package includes 16 disposable bags with a brush for long-term convenience|Important Note: This product is a third-party compatible accessory. Any use of the brand name or model designation for this product is made solely for the purposes of demonstrating compatibility. Please read product description carefully before buying, wish you a happy day