Designed exclusively for lawnmowers, this heavy duty fabric grass catcher bag provides a large capacity to minimize interruptions during yard maintenance. Material and build: weather resistant black fabric with reinforced stitching and quick clip attachments for durable performance and easy installation during mowing season. Function and compatibility: 21 inch grass catcher designed for use with lawnmowers that accommodate a 21 inch catcher, offering reliable operation with compatible models. Performance and benefits: effectively captures clippings and leaves, keeping outdoor spaces tidy while promoting healthier grass growth through efficient debris management. Ideal users: suited for homeowners and landscaping professionals seeking a reliable grass collection solution to maintain pristine lawns. Use scenarios: Home lawn care: attach to a standard mower to collect clippings as you mow, reducing postwork cleanup. Larger property maintenance: quick clip fittings enable fast setup and removal for frequent mowing on expansive lawns. Seasonal leaf management: use during autumn mowing to collect leaves and debris in one pass, helping keep turf clean. Key attributes at a glance: function: grass collection size: 21 inch material: weather resistant fabric performance: reinforced stitching, quick clip attachments compatibility: designed for lawnmowers that support a 21 inch catcher