1" x 1.25" and come in a sealed bag
96% fir tree bark and 4% naturally-made bonding agents
Excellent for seed starting and propagation
As a general guideline seedling and clones enjoy temperatures of 70-80 degrees and a humidity range of 50%-60%; please be sure to research your particular plant as temperature and humidity requirements will vary during propagation for different plants
For best results, keep plugs moist and purchase a heat mat