Design and Sustainability. 500ml thermal bottle made from recycled stainless steel. The perfect bottle for those who aspire to an active and more sustainable lifestyle, at any time of the year. With its elegant design, the Calypso bottle is made from recycled stainless steel, an environmentally conscious alternative to plastic bottles which is even more effective. This product is highly durable and, at the end of its useful life, it can be recycled again. Stainless steel has one of the highest recycling rates among metals (90%); it can be melted down and reused in the production of new products, reducing the need for new mining and raw material extraction. Furthermore, the long-lasting nature of stainless steel, its low maintenance requirements, energy efficiency, and versatility make it a perfect choice when customers are seeking sustainable solutions, reducing their carbon footprint.