Unprocessed and semi-processed rubber and plastic materials, namely, masterbatch and powdered additives for making plastic or rubber foams with algae composing or incorporated into the plastic or rubber for use in the manufacture of footwear, luggage, eyewear, kneepads, wetsuits, equestrian stable mats, toys, sporting goods, packaging case inserts, automotive interior padding, automotive mats, automotive coverings or accessories, flooring, mats, and construction components; unprocessed and semi-processed rubber and plastic materials, namely, masterbatch and powdered additives for making plastic or rubber non-foamed solid goods with algae composing or incorporated into the plastic or rubber for use in the manufacture of footwear, luggage, eyewear, kneepads, wetsuits, equestrian stable mats, toys, sporting goods, packaging case inserts, automotive interior padding, automotive mats, automotive coverings or accessories, flooring, mats, and construction components.;