<p>Keep SteadySpring Tree Mats in place for 1 year plus 1 year per inch of caliper (e.g. 2 years for 1inch caliper trees, 3 years for 2inch caliper trees) to establishment of the trees in the environment. Rated life of SteadySpring Tree Mats is 3-5 years.</p> <p>Leave out year-round - even in frozen climates! They refill themselves with snow and rain while protecting your plants against freezing temperatures and deicing salts!</p> <p>Cover with wood chips or coarse-structured mulch to help prevent direct sunlight exposure, while returning nutrients to tree , reducing evaporation, providing insulation to the root system, and keeping the SteadySpring mat from stolen! Do not use dirt\/soil\/fine sand\/fine-structured mulch to cover SteadySpring Tree Mats because the small particles may block rainwater!</p> <p>Weed barrier on top suppresses weeds and other plant life from utilizing water your plants need.</p> <p>To Fully Charge, Soak for 1-3 hours, Water the plant once, and then Set it and Forget it for 30+ Days or more. SteadySpring saves you water, stress, and time, and frees you to travel without having to worry about your plants!Steady Spring has a weed barrier top to plants and weeds growing around the root system that normally steal water and nutrients. This allows for less water to be used.</p> <p>Colour:Black</p> <p>Material:PVC</p> <p>Package Contents:</p> <p>4x Tree Watering Mat</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>