These to-go containers bagasse are made from residual sugarcane fiber and wheatstraw, obtained after juice and grain extraction. Plant fiber clamshells can withstand temperatures of up to 200 degrees F. Clamshell sizes range from 15 to 34 ounces and 8" to 9". Plant fiber clamshells come in single compartments, double compartments and three compartments. Our clamshells are primarily unbleached, so they come in a natural light brown color.