PLA plastic, 1.100% biodegradable and Cornstarch, 2.Vegetable-based material, no chemical, 3.Transparent or white color, PLA ... plastic,1.100% biodegradable and Cornstarch,2.Vegetable-based material, no chemical,3.Transparent or white color,4 ... to ISO 14885, Not only Bio-sourced, but also Biodegradable(vegetable-based material), it is definitely a cradle-to-cradle green ...