Color: brown / bamboo. Material: external - bamboo / internal - insulated stainless steel. Moksha is Bhavana Bottle's beautifully crafted, all-natural, bamboo tea infuser bottle. Each bottle is equipped with a removable stainless steel infuser that can be used for making the perfect brew of herbal tea or fruit-infused water. Each bamboo bottle is laser etched with the word love, combined with a beautiful original mandala that includes the powerful creation pattern known as the flower of life.