Super Sprouter Neoprene Collar Insert Purple - 2 in (100 pack)
Variety of different colors to choose from: yellow, blue, orange, green, purple, red, black and multi-color pack. Prevents cuttings and clones from moving around. Pre-slit for easy insertion with a pre-drilled hole. Color selection allows for use as identifying markers. Easy to use. 2 inches in diameter.