It is not only Biodegradabe but also grass friendly. It is made from earth and finally become part of earth. Biodegradable 100% within 2 weeks under the rainfall weather. Grass and trees are growing well in the ground full of fragments with this clay targets. Size:110mm, 108mm Color: orange dome, full orange. Other color available. Anti-breakage in the trap machine and beautiful flying; Absolutely competitive price among the "Bio-" products in the world. We are looking for importers and distributors from each area and country for long time cooperation.. More info is availabe by inquiry . You are always welcome.