Single Wall Tumbler In 65% Pla Corn And 35% Wheat Straw With Bamboo Lid And Cork Grip. Pla (Poly-lactic Acid) Is An 100% Bio-based Alternative For Conventional Plastics. It Is Made From Fermented Plant Starch Which Is Free Of Toxics. Product Size : 85 X 130 Mm. Capacity : 420m1