橡胶树环Product Name:Rubber tree ringsSpecifications:                        24 diameter x 0.75" thick                       24 diameter x 1.00" thick                       30 diameter x 0.75" thick                       30 diameter x 1.00"  thickColors:Brown or Terra cotta.They fit different tree trunk sizes,will not decompose nor blow away,maintains soil moisture,ground breathes naturally,controls weed growth,protects trees from trimming mishaps,environmentally friendly,five year limited guaranty.