The design ensures stability during extreme weather conditions, offering guard that reduces soil erosion while promoting targeted irrigation for robust root development built of permanent, each 10 inch diameter collar forms a protective barrier around plant bases, featuring weather resistant construction suitable for year round outdoor use across periods Ideal for gardeners, landscapers, and home growers seeking practical fixes to maintain plant health and simplify garden maintenance routines Perfectly surrounds trees, shrubs, or flower beds in gardens, vegetable patches, and nurseries to create defined growing areas that dispersion and mechanical injuries These 4pcs Plant Growth Rings efficiently retain and direct water to the root zone while shielding grasses from equipment damage, soil runoff, and crawling for healthier vegetation, Manufacturer: Oxxggkao