★80 Black Cloning collars in every package. Perfectly fits 2 inch net pots. Great for Hydroponic Plant Germination. * NEW IMPROVED SPOKE DESIGN gives you 4 slits and 1 hole to cushion tender cuttings. Take your growing operation to the next level for healthier plants and far greater production! You'll notice the difference immediately. * NON-TOXIC STERILE Closed Cell Foam. This holds NO water. Helps prevent damaging stem rot. * Clone up to 8 TIMES the number of cuttings in the same space! Enjoy far more production with less work.