· PACKAGE AND SIZE: Our package contains 12 pieces weed barrier mat of 20.5 inches, the thickness is 0.08 inches, which can protect your trees very well, 16 staples stakes for securing tree cover rings· MODERATE THICKNESS WEED BARRIER: Tree mulch ring wrapped around trees in need of protection, can effectively prote your plants from weed invasion and lawnmower damage, promoting plants grow better· NON-WOVEN MATERIAL: Non-woven tree protection rings have good air permeability and water permeability. The non-woven tree protection ring is recyclable and is friendly· WIDE USE: Tree protection rings can protect trees, vegetable plots, flower beds, ground covers, yard gardens, artificial grasses, driveways, prevent pets from damaging the home landscape potting, water loss· EASY TO INSTALL: Tree cover rings are easy to install. If desired, the center hole can be enlarged, trimmed to fit any tree or potted shape, and easily slides around the tree. 16 staples stakes can secure the mat effectively