3 Inch Net Pot and Botanicare Neoprene Collar Combo - 20 Pack Ten (10) each of 3" net pots and 3" neoprene collars Basket is made of durable, UV resistant plastic Provides unimpeded water flow for hydroponics application Numerous but narrow slits properly contain appropriate-sized grow media Botanicare brand neoprene collars are pre-slit for easy insertion of cuttings