... .4g,fork;6.7g,knive;7.1g. 3.size:spoon,14.5,fork;17.5;knive;19cm. spoon1.Material: corn ... starch 2.weight:spoon ,5.4g,fork;6.7g,knife;7.1g.3.size ... :spoon,14.5,fork;17.5;knive;19cm.certificate: FDA,ASTM ... new design, please contact with us. Thank you! 100% biodegradable disposable cutleries