Cz Garden Supply 25 Pack - 4 inch Round Heavy Duty Net Cups Pots Wide Lip Design 25 pack - 4 inch Net Pots - Black 4-1/4" Wide by 3-3/4" High - Durable, NON-TOXIC, UV-resistant plastic. HEAVY DUTY & High Quality Numerous but narrow slits properly contain appropriate-sized grow media. Wide Lip design = more surface area to grab and transport plants or quickly lift & view the roots!