valio, becomes the first company in the world to sell products to consumers in carton packaging made entirely from plantbased materials. tetra rex® biobased, is manufactured solely from a combination of plastics derived from plants and paperboard.valio share a common vision of innovation and environmental responsibility with tetra pak and announced to be the first in the world to make our products available in a fully renewable carton package.in tetra rex biobased cartons, the low density polyethylene used to create the laminate film for the packaging material and the neck of the opening, together with the high density polyethylene used for the cap, are all derived from sugar cane.   
