50 pack Colored Cloning Inserts - NON TOXIC - DIY Cloner Replacement 50 Insert Collars - 4 Colors - Blue, Green, Pink, Purple-DISCREETLY SHIPPED 48mm x 19mm (1.89" x 3/4"). Perfectly fits 2" net pots & DIY Cloners Holds no water to help prevent stem rot NON-TOXIC, Sterile, Soft material with 6 slits & 1 hole to cushion tender cuttings Write Details on them and quadruple or quintuple the number of cuttings in the same space!