This is our polished pine bark, with a specification of 3-5 centimeters. The polished pine bark has a round shape and no rough edges. It can be used for landscaping, municipal streets, tree pits, flower beds, garden courtyards, and other environmental paving. It can cover exposed yellow soil, maintain soil moisture, reduce soil moisture evaporation, regulate soil temperature, increase soil nutrition, and enhance aesthetics, Create a better growth environment for plants.