Gardeneer By Dalen TG-30 Protective Tree Guard Weather resistant and expandable, provides years of protection, ensuring young trees a long, healthy life Attractive, natural brown color blends in with its surroundings, reflecting away the hot sun's rays to prevent bark splitting while allowing the tree to breath Manufactured in China Protects young trees from mower and trimmer damage Interlocking design; two or more can be interlocked for larger trees Installs quickly and fits trees up to 4" in diameter