Tribest takes Anti-Oxidizing Vacuum Blending personally. The Glass Personal Vacuum Blender PBG-5001 adds the flavor, texture, and nutrient preserving properties of Vacuum Blending to the versatility and ease of use of Personal Blending. By removing the air in the container and blending in a vacuum, oxidation of your ingredients is reduced and flavors and nutrients are preserved. Stop oxidizing your anti-oxidants. The tempered glass containers and stainless steel blending assembly ensures that there is no food contact with plastic. Even the storage lids are lined with silicone to ensure that there are no chemicals leaching into your food during blending and storage. All you get is the pure, natural goodness of your favorite recipes.