120 Pack 2" Black xGarden Clone Collars - Advanced Spoke Design - Premium Neoprene Inserts for Net Pots and Cloning Machines 120 pack of Black Clone Collars - Designed specifically for 2" Net Pot, Clone Machines and DIY Cloners Premium Neoprene is firm to the touch, yet soft on your cuttings - Non-toxic and sterile - PH Neutral 1 7/8" (Diameter) x 3/4" (Height) - 48mm x 19mm - Collars can be marked with permanent ink for easy identification Advanced 8 Spoke Design allows for less pressure on cuttings - Hold many small cuttings in a single Clone Collar xGarden Brand - Buy from a brand you know and trust - xGarden products are exclusively distributed by Bywater Shops