... static, waterproof, moistureproof, eco-friendly, stackable and space saving "COWAY" EGG TRAY: Anti-static, waterproof, moistureproof, eco-friendly, stackable and space savingOTHER ... strength, non-deformation and non-leakage. Due to eco-friendly, superior quality and reasonable price, our products are ... , Korea and other international markets.3Certificate eco-friendly paper pulp egg holder/ egg tray